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What is Software Testing?

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Software Testing
Software Testing

Programming testing is described as a process to check whether the Actual outcomes matches with the Expected outcomes and to guarantee that the product is without defect. It includes the execution of a product part or framework segment to assess at least one properties of intrigue.

Programming testing likewise recognizes errors or defects or missing prerequisites in as opposed to the real necessities. It very well may be either done physically or utilizing computerized tools. Software testing is a combined technique of White Box and Black Box Testing.

In straightforward terms, Software Testing implies Verification of Application Under Test (AUT).

Why Testing is important for Software?

A cell app is susceptible to a stability danger just like any other plan. With the evolution of a big amount of applications that require storing and sharing delicate info these types of as lender and credit score card facts, health linked info, and personalized ID’s to make transactions. This has built security screening for cell applications far more significant. It is vital to establish the risk and figure out how to safeguard your cell app towards it. Conducting a take a look at without having recognition about security is upcoming to unachievable.

Most of the cell applications produced right now make use of 3rd-social gathering libraries and codes. The 3rd-occasion assist is generally associated with a type of protection threat to which an application is vulnerable. While the application developer could be aware of these threats, the open resource factors of the app have the possible to destroy the general performance. It can also sink the application in the market place even just before they essentially emerge.

So why testing?
  • Developers not fallible
  • Bugs in compilers, languages, DBs, OS
  • Certain bugs easier to find in testing.
  • Don ‘ t want customers to find bugs.
  • Post-release debugging is expensive.
  • Good test design is challenging and rewarding
Problem for Company

Gartner noted that in 2015, much more than 75 percent of mobile applications would fall short basic stability exams – in android, iOS and home windows platforms as they deficiency in primary small business associated protection specifications. The ramifications are enormous for enterprises as the policies are at risk of currently being violated with delicate business enterprise relevant details and networks.

Application Security Vulnerabilities

The customary observe of using open supply codes for non-core differentiating features is greatly acknowledged in the application improvement system. It saves time and resources over coding for non-critical elements of the application. As a result, developers are not able to ignore channelizing third-occasion codes and libraries as an element of their app progress. It is necessary to grasp the concerns, fears, and license limits involved with the third-get together codes to have an understanding of the stage of safety publicity your application is going through.

Subscribing to safety updates variety a wide-primarily based vulnerability database, which points in the direction of the category of safety menace relevant to your application, can check out for described stability fears. Unreported stability threats relate to technological evolution or proprietary code extensions that can induce critical problems in the application of technological innovation.

Stability Checklist for Third-Get together Open up Resource Elements

The security testing really should be done extra frequently via automated testing tools. The app developer needs to be effectively versed with 3rd-party open resource components these kinds of as safety challenges and protection ramifications on applications and application consumers. Competency with third-celebration codes ensures that the app developer normally takes the obligation of safety worries associated with it and stops hacking by working with security flaws or application vulnerabilities.

As technological innovation evolves, so does a new security threat with each new model of the third-occasion code and library. This produces the essence of remaining up to day with the hottest security-related facts about third-occasion components.

Safety Take a look at Modification

Gartner has stated that the static software security screening (SAST) and dynamic software stability tests (DAST) distributors are expected to modify their test for cellular purposes owing to the improved diploma of technological evolution in application advancement. Protection tests evolve to the future amount with the introduction of behavioral investigation tests to keep track of the GUI and background applications to detect dangerous habits.

Enterprise apps and the servers connected to cellular gadgets are continuously examined and secured. A ton of applications are obtainable in the app industry, so the obligation of safety also rests on buyers and enterprises too.

By downloading applications that have productively long gone through stability testing performed by specialized and confirmed safety tests suppliers ensure that the people and enterprises are applying applications that are safe. The businesses should really take a look at their computer software and purposes efficiently throughout all apps as swiftly and usually as doable. Disregarding this can end result in a substantial protection price that has to be compensated later on.

Sorts of Software Testing

Testing is arranged into two main classes.

  • Functional Testing
  • Non-Functional Testing or Performance Testing
Functional Testing:

Functional testing is the area of testing where we concentrate on the functionalities of the application.

Types of Functional Testing
  • Unit Testing
  • Integration Testing
  • Smoke Testing
  • UAT ( User Acceptance Testing)
  • Localization Testing
  • Interoperability Testing
  • Regression Testing
Non Functional Testing:

Non Functional Testing(NFT) is the area of testing where we concentrate on the nonfunctional aspects of an application.

Types of Non-Functional Testing
  • Performance Testing
  • Endurance Testing
  • Scalability Testing
  • Usability Testing

The objective of Software Testing

Testing serves primarily three requirements:

  • Identification of Errors
  • Conformance to requirements
  • Check Operational Qualifications(OQ)
  • Check Performance Qualification(PQ)
  • A good test is one that has a high probability of finding an as yet undiscovered.
  • A successful test is one that uncovers an as yet undiscovered error.

Computer software Testing is a significant section of custom made software package progress. Software package Testing is a course of action that evaluates the ability of a program or process to figure out no matter if it fulfills the needed outcomes. Whilst pinpointing problems or “bugs” could be at the coronary heart of software tests, this method is also essential for a number of other factors.

Programming Testing is a procedure of checking a PC framework/program to choose whether it meets the predefined prerequisites and produces the ideal outcomes. Accordingly, you distinguish bugs in programming item/venture/Project.

Program tests are used to make guaranteed that a plan or procedure satisfies structure requirements. It is also employed to assess whether merchandise or system operates in an ideal time period of time. Through application tests, you can also decide whether or not a supplied software package can be used in the ideal environments, and no matter whether it satisfies stakeholder expectations.

While software program testing will not set up that a plan or program functions correctly below all disorders, it does identify no matter whether a system will operate properly beneath unique ailments. Software program tests include a near assessment of code as well as the execution of that code in various environments and ailments.

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To describe the stage of seeing a check engineer could take when approaching a scenario, software Testing has traditionally been divided into two procedures. White-box testing, also known as crystal clear or glass box, checks the inside structures or workings of a plan as opposed to the operation uncovered to the stop person. Black-box tests, on the other hand, examines the performance of the application without any understanding of inside implementations.

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A problem with software testing is that testing all combinations of inputs and preconditions is not feasible when testing anything other than a simple product. This means that the number of defects in a software product can be very large and defects that occur infrequently are difficult to find in testing. More significantly, Parafunctional dimensions of quality – – for example, usability, scalability, performance, compatibility, and reliability – – can be highly subjective; something that constitutes sufficient value to one person may be intolerable to another.

There are many approaches to software testing. Reviews, walkthroughs or Inspections are considered as static testing, whereas actually running the program with a given set of test cases in a given development stage is referred to as dynamic testing.

Software testing is used in association with verification and validation:
Verification: Have we built the software right (i. e., does it match the specification)?
Validation: Have we built the right software (i. e., is this what the customer wants)?

Cost of the Defect?

During software projects, you can hear widely different attitudes toward fixing defects, depending upon priorities and motivations:

The choice to fix or not depends upon many factors: the type of product; the risks associated with shipping known or unknown defects; your development processes; and the cost of fixing the defect.

The easiest time to calculate this cost is during the system test time when people are 100 % dedicated to finding and fixing defects. To begin, count the number of fixes made. You know how many people (developers, testers, writers, and others) were involved, the cost per person – day, and the duration of system test. The total cost can be surprisingly high, which is why the fixed value is so important.

The average cost to fix a defect = (Number of people * the number of days) * cost per person-day/(Number of fixed defects).

Cost of defect
Cost of defect

What makes a great tester?

A tester should have the following capabilities within. Here is a comprehensive guide about the mentality and attitude of the tester.

Non Technical Skills

Analytical skills- Quick problem-solving ability.
Passion- testers should be passionate about finding the defect
Communication skill- a good communication skill is a must in both written and verbal.
Project Management skill- Both time management and organizational skill are must to have.
Attitude- A system breaker attitude is needed. Testers need to be very patient to find out the fault of the system.

Technical Skills

This is a very vast field of testing. The Sky is the limit here. Starting from the database to languages, to tools to almost everything comes in this space. The more you learn the more you become a great tester.

Top 10 core principle of software Testing

It is significant that you accomplish ideal test outcomes while directing programming testing without veering off from the objective. Yet, how you establish that you are following the correct system for testing? For that, you have to adhere to some fundamental testing standards. Here are the top testing rules that are generally drilled in the product business.

1. Do not always test the happy path

Testers due to time cranch always try to test the happy path. They generally ignore the rainy paths. Testers objective is not to showcase that application is working fine, rather find the fault in it. Do consider the rainy path as well. Read here for more.

2. 100% bug-free software is not possible

Testing only shows that there are bugs in the application. 100% bug-free software is not possible. If you could produce one such incident, it only means that bugs are hiding inside more deeper than our coverage.

3. 100% test coverage or exhaustive testing is not possible

Do not ever try to cover 100% test coverage. The test set will be huge and the execution will take even huge time. Rather look for crisp risk-based and optimum test cases to provide coverage. But all tests should be traceable to requirements.

4. Look for defect or issue clustering

Pareto says 80% (significant amount) defects come from 20% (very small) area of the code in the application. So we need to quickly identify these areas to support applications.

5. Update your test cases often

your regular test cases able to identify defects maximum 1-2 releases. Once the issues are fully fixed, these test cases always pass. They just kill execution time without adding significant value. This phenomenon is called Pesticide paradox. Try adding new test cases to catch defects and frequently upgrade them. Tests should be planned ahead of execution.

6. Automate Automate Automate

As a tester, your objective will be to maximize automation. The automation will bring speed accuracy and provide room for thinking out of the box test cases.

7. Try Shift left approach for early Testing

As we all know that catching a defect late in the development cycle costs us a lot. Rather detecting and rectifying defect at an early stage provides a cost advantage. So try to operate testing activity during the development cycle, parallely. Most of the defects are uncovered at the initial stages by using reviews.

8. Change your Test strategy depending upon the context

Do not take the same testing strategy for all kind of application. Try creating libraries or functions for a different type of applications. the predefined libraries will give you initial speed and diversified strategy for context-based area will give you better output.

9. Do not leave the nonfunctional test requirements

Teams mostly focus on the functional aspect of the application. It may so happen that a good product tested thoroughly failed in the production as the interface is bad, tough to operate or can not take user load. Apart from the functional testing focus on the nonfunctional aspects of the application. Testing should be done in an outward manner (Unit – > System->NFRs)

10. Articulate the test result

Do not hide the test result as you might be working in the same team. The developer may be seated next to you. The test results hiding is not good practice. It just gives proper confidence about the software and shows the issues customer or customer’s customer may face later.

Worries in Guide Testing

The variety of corporations implementing official software package screening approaches is escalating progressively. Similarly, most organizations today favor automating their testing initiatives to conserve time and price tag. But each and every corporation will have to remember that it cannot automate the method totally. So the software testing approach ought to emphasis on identifying and addressing major problems as noticed in manual screening.

The primary objective of guide tests is to make the software program defect totally free, and ensure that it is working in accordance to the need specification document. But the testers are expected to execute handbook tests with no using take a look at scripts and check automation resources. Therefore, they have to address a selection of vital troubles to make the guide tests course of action helpful.

Key Worries Involved with Manual Testing

Testing the Entire Software

The QA gurus cannot take a look at the total application software manually. It is impossible to execute a significant range of exam cases expected for testing the total application manually. As they are needed to entire the course of action in just a stipulated timeframe, it is essential for the business to be obviously outlined the particular combos to be tested.

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Being familiar with the Consumer Needs Evidently

As mentioned previously, QA professionals have to have to guarantee that the computer software meets the specific desires of the client. So they need to have an understanding of the requirements of the client evidently. At the identical time, it is also essential for them to talk the client wants evidently to the developers in an obvious and unambiguous way. In advance of commencing the process, the QA specialists must pay out comprehensive consideration to the client’s wants.

Determining the Demanded Skills

Handbook testing needs QA experts who possess a wide variety of skills like communication, analytical and difficulties shooting. The moment the professional commences doing the job on the software, he will retain acquiring much more defects or bugs. So he must get the bugs preset to continue screening. This is the motive why most testers locate it a challenging obstacle to complete regression tests manually. When they have very good interaction, examination and difficulty shooting skills they can preserve executing examination situations by obtaining the bugs preset without any hold-off.

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Picking out the Ideal Testers

The practical experience and capabilities of specific QA gurus differ. As guide tests necessitate very good interaction, analytical and difficulty capturing abilities, it results in being critical for the corporation to deploy the proper personnel on the occupation. The supervisor should develop an efficient team, by focusing on the expertise and skills of every single person, to control the tension and anxiety linked with conducting the exhaustive system manually.

Building Precise Take a look at Styles

The end result of a guide testing project will be impacted by the excellent and accuracy of the test types. But the complicated style of the program and accompanying risks make it hard for QA industry experts to build accurate models. Even more, to develop the most correct styles the experienced have to have exam designing techniques alongside with satisfactory domain expertise.

Prioritizing test Scenario Execution

Whilst testing software manually, the QA pros are necessary to execute an assortment of checks without employing any applications. At the same time, they also want to prioritize check conditions and make a decision which types are to be performed to start with. But the industry experts often have to modify the sequence of taking a look at circumstance execution in situation some problem takes place in the center of the testing stage.

Meeting the Deadline

At present, time is 1 of the most critical constraints in application progress and testing. Like builders, the testers are also expected to accomplish all checks within a stipulated time frame. As they cannot execute all exam situations within the stipulated amount of money of time, they generally concentration on finishing the jobs. The emphasis on finishing their tasks on the plan impacts the all-round high quality of guide tests.

Testing devoid of Instruments and Script

The use of test automation equipment both effectuate and expedite software tests approach. Regardless of currently being necessary to finish the challenge in a predefined time frame, the manual testers are not permitted to use any applications or check scripts. So they frequently locate it a lot more difficult to execute the examination conditions manually. Also, the manual examination circumstance execution calls for both supplemental time and work.

A firm will have to don’t forget that the exact same method can be performed manually or employing automation applications. So the method will have to evidently discover the checks to be executed manually. Most businesses favor applying guide screening for take a look at circumstances that want not operate regularly. Even however it is cost-economical, the process is time-consuming. Therefore the total approach should address these critical difficulties to deliver a flawless software package application.

The Silo Outcome In Application Testing

Persons might not know what the silo effect in fact suggests. But almost everything is very simple. The silo is the circumstance when somebody’ opinion, plan and system are limited by the existing prejudices and encounter of other folks.

The staff of computer software tests firm, as effectively as the specialists of other companies not connected with the IT sphere, perform their duties in silos. This is rather complicated discover, and it ought to be regarded as far more precisely.

What Are the Silo Forms?

  • An official silo. In every single enterprise, there are the teams of experts which accomplish distinct jobs and address the defined issues. There are developers, testers, product or service administrators, product sales supervisors, administrators, and many others.
  • A casual silo. This variety fears identical tips, benchmarks, and ideas shared by the particular teams or faculties. Furthermore, the silo impact may possibly also be regarded as in phrases of making use of definitive testing rules and techniques, for case in point, the session solution or the automation basic principle.

The silo impact has both equally pros and disadvantages. Hereafter, the gains of the silo result in software package testing industry will be regarded as.

What Are the Strengths of Silos?

  • It is the basis of building the team of experts which share the frequent look at. It is much easier to sort the team of like-minded experts.
  • Silos provide the consolidation of attempts of each individual member of the test workforce.
  • The assist networks are set up with the help of silos.
  • Silos really encourage the successful interaction in the examination team.
  • The reliability for every single member of the team is proven because of to silos.

All mentioned areas of silos have an optimistic impression on the testing approach and the staff spirit. However, even with considered pluses, the silo outcome has some minuses. It is really vital to reduce the damaging outcomes of silos.

What Are the Cons of the Silo?

  • The silo might restrict the specialist’ imagination. The tunnel vision of the checking approach does not give effective user testing or effectiveness testing.
  • The silo will cause tribalism. The enmity to developers or yet another exam staff involves the properly-timed output of the bug totally free application or system.
  • Miscommunication, misconceptions, difficulties, and difficulties may well be arisen by the silo.
  • The rejection of each individual idea or conception which differs from your very own views prospects to much less productive automated screening or any other examining style. The valid proposals should really be reviewed and taken into account.
  • The experts may well come to be blind to risks because of the silo result.

There is a good line in between the silos rewards and negatives. Just one should really generally command the diploma of silo impact on each workforce member and the complete take a look at the group.

Commonly used testing types

Black box Testing – This form of Tests is not centered on any understanding of inside style or coding. These Assessments are primarily based on specifications and functionality.

White box Testing – This is dependent on knowledge of the internal logic of an application’s code. Exams are primarily based on coverage of code statements, branches, paths, situations.

Device testing – the most ‘micro’ scale of tests to examination certain capabilities or code modules. This is normally carried out by the programmer and not by testers, as it requires thorough expertise of the internal method, style and design and code. Not usually simply done unless the application has a perfectly-developed architecture with restricted code may perhaps involve producing test driver modules or test harnesses.

Incremental integration tests – steady tests of an application when new functionality is added involves that different areas of an application’s performance by independent plenty of to work independently before all areas of the system are accomplished, or that check drivers be produced as needed to be finished by programmers or by testers.

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Integration testing – testing of put together parts of the software to figure out if they performing together accurately. The ‘parts’ can be code modules, unique purposes, client and server purposes on a community, and so on. This kind of tests is particularly related to customer/server and distributed techniques.

Purposeful Testing – this Testing is geared to user requirements of an application this kind of testing must be carried out by testers. This does not imply that the programmers should not test that their code functions in advance of releasing it (which of program applies to any phase of screening.)

Program Testing – this is centered on the over-all necessities specs handles all the mixed sections of a system.

Close-to-end tests – this is very similar to technique tests requires tests of full application surroundings in a predicament that imitate true-world use, this kind of as interacting with a database, using community communications, or interacting with other components, apps, or units.

Sanity tests or smoke tests – commonly this is initial testing to establish regardless of whether a new software program version is executing well adequate to accept it for major testing work. For case in point, if the new software program is crashing systems in every single 5 minutes, generating down the devices to crawl or corrupting databases, the application could not be in a ordinary issue to warrant further tests in its latest condition.

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Regression testing – this is re-testing soon after bug fixes or modifications of the application. It is complicated to determine how considerably re-Testing is required, particularly at the conclusion of the progress cycle. Automatic Testing instruments are pretty valuable for this kind of screening.

Acceptance testing – this can be mentioned as the last test and this was completed dependent on requirements of the conclusion-user or customer, or based on use by close-people/prospects above some confined period of time.

Load Testing – this is practically nothing but testing software under heavy loads, this sort of as Testing a world wide web web page below an array of masses to establish at what level the system’s reaction time degrades or fails.

Tension testing – the expression typically employed interchangeably with ‘load’ and ‘performance’ screening. Also utilized to explain this kind of checks as technique practical Testing although below unusually large masses, hefty repetition of certain steps or inputs, the input of substantial numerical values, huge sophisticated queries to a database method, and so forth.

Functionality testing – the expression normally made use of interchangeably with ‘stress’ and ‘load’ tests. Preferably ‘performance’ testing is outlined in requirements documentation or QA or Examination Options.

Usability testing – this Testing is performed for ‘user-friendliness’. Obviously this is subjective and will rely on the specific end-user or purchaser. Person interviews, surveys, online video recording of user sessions, and other procedures can be applied. Programmers and testers are usually not suited as usability testers.

Compatibility testing – tests how perfectly the software program performs in a specific hardware/software/functioning process/network/and so on. setting.

Consumer acceptance tests – determining if the software is satisfactory to a finish-consumer or a consumer.

Comparison testing – comparing software weaknesses and strengths to other competing products and solutions.

Alpha tests – testing an application when growth is nearing completion minimal design and style adjustments could even now be made as an outcome of these testing. This is generally done by close-end users or other folks, but not by the programmers or testers.

Beta testing – tests when improvement and tests are primarily accomplished and closing bugs and problems need to be discovered ahead of closing release. This is commonly accomplished by conclusion-buyers or other individuals, not by programmers or testers.

Mutation Testing – a technique for figuring out a set of test facts or take a look at circumstances is beneficial or not, by deliberately introducing various code modifications (‘bugs’) and retesting with the authentic examination facts/circumstances to ascertain if the ‘bugs’ are detected.

6 Best Methods for Program Tests

Approaching program Testing is a challenge that lots of products development teams confront. There are techniques and tactics that assist guarantee the very best products obtainable is presented to a trader or stakeholder. Right here are some of the finest tactics application engineers use in the Testing system:

  1. Give early feedback – Take a look at engineers should really be bundled early in the improvement procedure to provide feedback on a large range of aspects which include scope, architecture, and sustainability as it relates to software improvement.
  2. Enable the bigger workforce to go more quickly – Take a look at engineers ought to be accountable for the solution’ automated examination framework by responding to the requires of the advancement workforce.
  3. Encourage creativity – Test engineers’ nutritional supplement the test approach by incorporating new ideas for Test scenarios. By introducing new tips for cases, computer software engineers can approach complications in a modern style.
  4. Test overall flexibility- Test engineers aim at exploratory testing and provide as an obvious established of eyes when the advancement workforce requirements speedy comments. This is helpful in fewer popular scenarios or in locations that are harder to check in an automated style.
  5. Interact with the outdoors – As challenges crop up from places like client support, test engineers can evaluate urgency from the shopper and prioritize the severity and hazard. This will permit software program developers to concentration on repairing problems.
  6. Mix enhancement and Test – Teams will develop and keep talent by sharing responsibilities throughout the staff. Rotating the testing duties with enhancement roles presents workforce members new views. Similarly, encouraging application developers to just take aspect in testing allows challenge associates to be effectively-versed in all aspects of the team.

Program tests is a significant factor of any product or service improvement job and feature a broad array of techniques and methods. If a program growth business follows finest procedures when beginning a new custom computer software undertaking, a merchandise advancement staff will be in a position to maximize efficiency and top quality during the challenge, enabling the delivery of the very best products available to its traders and stakeholders.

Testing stages in SDLC

Test Requirements:
  • Requirement Specification documents
  • Functional Specification documents
  • Design Specification documents (use cases, etc)
  • Use case Documents
  • Test Traceability Matrix for identifying Test Coverage
Test Planning:
  • Test Scope, Test Environment
  • Different Test phase and Test Methodologies.
  • Manual and Automation Testing.
  • Defect Mgmt, Configuration Mgmt, Risk Mgmt. Etc
  • Evaluation & Identification – Test, Defect tracking tools
Test Environment Setup:
  • Test Bed installation and configuration
  • Network connectivity
  • All the Software/ tools Installation and configuration
  • Coordination with Vendors and others.
Test Design:
  • Test Traceability Matrix and Test coverage.
  • Test Scenarios Identification & Test Case preparation
  • Test data and Test scripts preparation
  • Test case reviews and Approval
  • Baselining under Configuration Management
Test Automation
  • Automation requirement identification
  • Tool Evaluation and Identification.
  • Designing or identifying Framework and scripting
  • Script Integration, Review, and Approval
  • Baselining under Configuration Management
Test Execution and Defect Tracking
  • Executing Test cases
  • Testing Test Scripts
  • Capture, review and analyze Test Results
  • Raised the defects and tracking for its closure
Test Report And Acceptance
  • Test summary reports
  • Test Metrics and process Improvements made
  • Build release
  • Receiving acceptance

Always remember the automation area of Testing is not a substitute for Manual Testing. It just facilitates the manual part in a speedy way. So manual testing is still better in some tracks.

The key areas are:

  • Testing is a state of art of processes, technologies, and methods for checking complex systems.
  • Automation tools can be commercial, open-source or inhouse.
  •  Testing improves the overall process.
  • Research software testing techniques in co-operation with universities for more accuracy.




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Animesh Chatterjeehttps://techtravelhub.com/
I am the founder and owner of the blog - TechTravelHub.com, always love to share knowledge on test automation,tools,techniques and tips.I am a passionate coder of Java and VBScript.I also publish articles on Travel ideas and great honeymoon destinations.Apart from these, I am a gear-head,love to drive across India. I have shared lots of articles here on How to travel several parts of India.Customization of cars aka car modification is my another hobby.Get in touch with me on ani01104@gamil.com

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