Overview: Software Testing Interviews at Tech Mahindra
Tech Mahindra is a global IT services and consulting organization delivering solutions across telecom, banking, insurance, healthcare, retail, manufacturing, and digital transformation.
In Tech Mahindra interview questions for software testing, interviewers typically evaluate:
- Strong software testing fundamentals
- Clear understanding of manual testing concepts
- Practical exposure to SDLC, STLC, and Agile
- Awareness of automation frameworks and tools
- Working knowledge of API and SQL testing
- Ability to handle real-time, scenario-based questions
- Professional communication and quality mindset
This guide is designed for freshers, experienced testers, automation engineers, and QA leads preparing for Tech Mahindra interviews.
Section 1: Basic Tech Mahindra Interview Questions for Software Testing
1. What is software testing?
Software testing is the process of verifying and validating a software application to ensure that:
- It meets business requirements
- It functions as expected
- It is free from critical defects
2. Why is software testing important in enterprise projects like Tech Mahindra’s?
Software testing is important because:
- Tech Mahindra handles large-scale enterprise applications
- Even small defects can cause huge financial or operational impact
- Clients expect high reliability, security, and performance
3. What is the difference between verification and validation?
| Verification | Validation |
| Are we building the product right? | Are we building the right product? |
| Static process | Dynamic process |
| Reviews & inspections | Test execution |
4. What is a defect or bug?
A defect is a flaw where:
Actual Result ≠ Expected Result
5. Difference between error, defect, and failure
| Term | Meaning |
| Error | Developer mistake |
| Defect | Bug found during testing |
| Failure | Issue observed in production |
6. What are the types of software testing?
- Manual testing
- Automation testing
- Functional testing
- Non-functional testing
- Regression testing
- Smoke testing
- Sanity testing
7. What is manual testing?
Manual testing is testing software without automation tools, where testers:
- Execute test cases manually
- Observe application behavior
- Log defects
8. What is automation testing?
Automation testing uses tools to:
- Execute test cases automatically
- Reduce repetitive effort
- Improve speed and accuracy
9. Can automation replace manual testing?
No.
Automation supports testing but cannot replace:
- Exploratory testing
- Usability testing
- Ad-hoc testing
10. What is functional testing?
Functional testing verifies:
- Business logic
- Application workflows
- User requirements
Section 2: SDLC & STLC – Tech Mahindra Interview Focus
11. What is SDLC?
SDLC (Software Development Life Cycle) defines how software is built:
- Requirement analysis
- Design
- Development
- Testing
- Deployment
- Maintenance
12. What is STLC?
STLC (Software Testing Life Cycle) defines testing activities:
- Requirement analysis
- Test planning
- Test case design
- Test execution
- Defect tracking
- Test closure
13. Difference between SDLC and STLC
| SDLC | STLC |
| Development lifecycle | Testing lifecycle |
| Focus on building | Focus on validation |
14. What happens in the requirement analysis phase of STLC?
Testers:
- Review requirements
- Identify test scenarios
- Clarify ambiguities
- Understand business flow
15. What is test planning?
Test planning defines:
- Test scope
- Test strategy
- Resources
- Tools
- Timelines
- Risks
Section 3: Test Case & Test Scenario Questions (Tech Mahindra)
16. What is a test scenario?
A test scenario is a high-level functionality to be tested.
Example:
- User login
- Fund transfer
17. What is a test case?
A test case is a step-by-step instruction to validate a test scenario.
18. Difference between test scenario and test case
| Test Scenario | Test Case |
| High-level | Detailed |
| What to test | How to test |
19. Components of a test case
- Test Case ID
- Scenario
- Preconditions
- Test Steps
- Test Data
- Expected Result
- Actual Result
- Status
20. What makes a good test case?
- Clear and concise
- Easy to execute
- Independent
- Reusable
- Traceable to requirements
Section 4: Defect & Bug Management – Tech Mahindra Interview Questions
21. What is a defect life cycle?
- New
- Assigned
- Open
- Fixed
- Retest
- Closed
- Reopened
22. What is defect severity?
Severity shows impact of a defect.
| Severity | Impact |
| Critical | System crash |
| Major | Core functionality broken |
| Minor | UI issue |
23. What is defect priority?
Priority indicates how urgently a defect should be fixed.
24. Difference between severity and priority
| Severity | Priority |
| Technical impact | Business urgency |
25. What is Root Cause Analysis (RCA)?
RCA identifies why a defect occurred.
Example:
Bug – Incorrect billing amount
Root cause – Wrong calculation logic
Section 5: Scenario-Based Tech Mahindra Interview Questions
26. A critical defect is found just before release. What will you do?
Answer:
- Stop release
- Inform test lead and stakeholders
- Share defect details and business impact
- Support retesting after fix
27. Developer says “It works on my machine.” How do you respond?
Answer:
- Reproduce the issue clearly
- Share steps, logs, screenshots
- Discuss professionally
28. Testing is incomplete but deadline is fixed. What is your approach?
Answer:
- Prioritize critical business flows
- Perform risk assessment
- Communicate quality risks
- Provide conditional sign-off
29. How do you test an application without documentation?
Answer:
- Exploratory testing
- Understand business flow
- Interact with developers/BA
- Gradually create test cases
30. How do you handle duplicate defects?
Answer:
- Search existing defects
- Mark duplicates
- Avoid clutter in defect tracking tool
Section 6: Automation, API & SQL – Tech Mahindra Focus
31. What automation tools are commonly used in Tech Mahindra projects?
- Selenium
- API automation tools
- CI/CD tools
32. What is Selenium?
Selenium is an open-source tool used for web automation testing.
33. What is API testing?
API testing validates:
- Backend business logic
- Data exchange
- Integration between systems
34. What is REST API?
REST APIs use HTTP methods:
- GET
- POST
- PUT
- DELETE
35. Why should testers know SQL in Tech Mahindra projects?
SQL helps testers:
- Validate backend data
- Verify business rules
- Identify data integrity issues
SELECT * FROM transactions WHERE status=’FAILED’;
Section 7: Agile Testing – Tech Mahindra Interview Questions
36. What is Agile?
Agile is an iterative development approach focusing on:
- Collaboration
- Continuous feedback
- Frequent releases
37. Role of tester in Agile projects at Tech Mahindra
- Participate in backlog grooming
- Review user stories
- Write test cases early
- Perform continuous testing
38. What is a user story?
A user story describes functionality from user perspective:
As a user, I want…, so that…
39. What is acceptance criteria?
Acceptance criteria define conditions for story completion.
40. What is regression testing in Agile?
Ensuring existing functionality works after every sprint change.
Section 8: Tools Used in Tech Mahindra Testing Projects
Jira
- Defect tracking
- Sprint management
TestRail
- Test case management
- Traceability
Postman
- API testing
Jenkins
- CI/CD automation
Section 9: Domain-Based Testing Examples (Tech Mahindra Projects)
Banking Domain
- Fund transfer validation
- Transaction rollback
- Balance consistency
Insurance Domain
- Policy creation
- Claim processing
- Premium calculation
E-Commerce Domain
- Cart management
- Checkout and payment
- Order confirmation
Section 10: Sample Test Case (Tech Mahindra Interview Favorite)
Login Test Case
| Field | Description |
| Test Case ID | TC_LOGIN_01 |
| Scenario | Valid login |
| Steps | Enter valid username and password |
| Expected Result | User logged in successfully |
Negative Test Cases
- Invalid credentials
- Blank fields
- SQL injection attempt
- Locked account
Quick Revision Sheet – Tech Mahindra Software Testing Interview
- Testing fundamentals
- SDLC & STLC
- Test case design
- Defect life cycle & RCA
- Agile concepts
- Automation + API + SQL basics
- Tool awareness
FAQ
Q: Is automation mandatory for Tech Mahindra testing roles?
Not mandatory for freshers, but expected for experienced candidates.
Q: Does Tech Mahindra ask scenario-based questions?
Yes, scenario-based questions are very common.