1. Overview: Why Indium Software Manual Testing Interviews Are Important
Indium Software is globally recognized for its quality engineering, digital assurance, game testing, and AI-driven testing services. While automation and AI are growing, manual testing remains the foundation of Indium’s QA delivery—especially for exploratory testing, business validation, usability, and domain-heavy projects.
In Indium Software manual testing interviews, interviewers focus on:
- Strong manual testing fundamentals
- Clear understanding of STLC & SDLC
- Ability to write high-quality test cases
- Defect reporting with business impact
- Scenario-based thinking and RCA
- Awareness of API, SQL, Agile, and automation basics
- Client-ready communication skills
This guide includes 90+ Indium Software manual testing interview questions with detailed answers, written in real project language, suitable for freshers, 1–5 years experienced testers, and senior manual QA professionals.
2. Indium Software Manual Testing Interview Questions – Basic Level (Q1–Q25)
Q1. What is manual testing?
Answer:
Manual testing is the process of executing test cases without using automation tools to validate application functionality, usability, and business requirements.
Q2. Why is manual testing still important at Indium Software?
- Exploratory and usability testing
- Early-stage product validation
- Domain-specific business rules
- Game, mobile, and UX-heavy applications
Q3. What is software testing?
Software testing verifies and validates that an application meets functional and non-functional requirements.
Q4. What is Quality Assurance (QA)?
QA focuses on preventing defects by improving processes.
Q5. What is Quality Control (QC)?
QC focuses on finding defects through testing.
Q6. Difference between QA and QC?
| QA | QC |
| Process-oriented | Product-oriented |
| Preventive | Detective |
| Audits & reviews | Testing |
Q7. What is a defect?
A defect is a difference between expected and actual results.
Q8. What is severity?
Severity indicates the impact of a defect on the system.
Q9. What is priority?
Priority indicates how urgently the defect should be fixed.
Q10. Severity vs Priority example
| Scenario | Severity | Priority |
| Payment failure | High | High |
| UI alignment issue | Low | Low |
Q11. What is smoke testing?
Smoke testing verifies whether a build is stable enough for testing.
Q12. What is sanity testing?
Sanity testing verifies specific fixes or changes.
Q13. Smoke vs Sanity testing
| Smoke | Sanity |
| Broad testing | Narrow testing |
| Build stability | Fix validation |
Q14. What is regression testing?
Re-testing existing features after code changes.
Q15. What is re-testing?
Testing the same defect again after it is fixed.
Q16. Re-testing vs Regression
| Re-Testing | Regression |
| Specific defect | Entire application |
Q17. What is a test case?
A document containing steps, test data, and expected results.
Q18. What is a test scenario?
A high-level description of what to test.
Q19. What is black-box testing?
Testing without knowledge of internal code.
Q20. What is exploratory testing?
Testing without predefined test cases using experience and logic.
Q21. What is defect leakage?
Defects found in production.
Q22. What is risk-based testing?
Testing high-risk business areas first.
Q23. What is usability testing?
Testing ease of use and user experience.
Q24. What is compatibility testing?
Testing across devices, OS versions, and browsers.
Q25. What is negative testing?
Testing invalid or unexpected inputs.
3. STLC & SDLC – Indium Manual Testing Interview Focus (Q26–Q45)
Q26. What is SDLC?
Software Development Life Cycle – end-to-end development process.
Phases:
Requirement → Design → Development → Testing → Deployment → Maintenance
Q27. What is STLC?
Software Testing Life Cycle – structured testing process.
Q28. STLC phases
- Requirement Analysis
- Test Planning
- Test Case Design
- Test Environment Setup
- Test Execution
- Test Closure
Q29. Difference between SDLC and STLC?
| SDLC | STLC |
| Development lifecycle | Testing lifecycle |
Q30. What is requirement analysis in testing?
Understanding requirements, identifying scenarios, and risks.
Q31. What is test planning?
Defining test scope, strategy, timeline, and risks.
Q32. What are entry criteria?
Conditions required to start testing.
Q33. What are exit criteria?
Conditions required to stop testing.
Q34. What is test execution?
Executing test cases and logging defects.
Q35. What is test closure?
Preparing test summary reports and lessons learned.
Q36. What is UAT?
User Acceptance Testing by business users.
Q37. What is release sign-off?
Formal approval to deploy to production.
Q38. What is defect triage?
Meeting to review and prioritize defects.
Q39. What is defect aging?
Time a defect remains open.
Q40. What is blocker defect?
A defect that stops testing or business operations.
Q41. What is RTM?
Requirement Traceability Matrix.
Q42. Why is RTM important?
Ensures full requirement coverage.
Q43. What is test coverage?
Percentage of requirements tested.
Q44. What is defect density?
Number of defects per module.
Q45. What does high defect leakage indicate?
Poor test coverage or missed scenarios.
4. Manual + API + SQL Awareness – Indium Interview Questions (Q46–Q65)
Q46. Is API knowledge required for manual testers at Indium?
Basic API understanding is a strong advantage.
Q47. What is API testing?
Testing backend services independently of UI.
Q48. Why is API testing important?
- Faster validation
- Early defect detection
- Backend accuracy
Q49. Which tool is commonly used for API testing?
Postman
Q50. What do you validate in API testing?
- Status codes
- Response body
- Error messages
Q51. Common HTTP status codes
200, 201, 400, 401, 404, 500
Q52. What is database testing?
Validating backend data using SQL queries.
Q53. Sample SQL query
SELECT order_status FROM orders WHERE order_id = 1001;
Q54. Why should a manual tester know SQL?
To verify data accuracy and backend processing.
Q55. What is Agile testing?
Continuous testing during development.
Q56. Role of tester in Agile
- User story review
- Acceptance criteria validation
- Sprint testing
Q57. What is sprint?
Time-boxed Agile iteration.
Q58. What is defect life cycle?
New → Assigned → Open → Fixed → Retest → Closed
Q59. What is CI/CD awareness?
Understanding how testing fits into build pipelines.
Q60. What tool supports CI/CD?
Jenkins
Q61. Is automation mandatory for manual testers?
Not mandatory, but basic awareness is preferred.
Q62. What is Selenium used for?
Q63. What should manual testers not automate?
Exploratory and usability testing.
Q64. What is shift-left testing?
Q65. What is automation ROI?
Return on investment from automation.
5. Scenario-Based Indium Software Manual Testing Interview Questions (Q66–Q85)
Q66. Developer says “Not a bug.” What do you do?
Answer:
Re-validate, provide evidence, and explain business impact.
Q67. Critical defect found before release. What next?
Assess risk, inform stakeholders, and decide release impact.
Q68. Test cases pass in QA but fail in production. Why?
Environment or configuration mismatch.
Q69. Defect not reproducible. What do you do?
Collect logs, retry with same data, request details.
Q70. How do you handle missed defects?
Perform Root Cause Analysis (RCA) and improve coverage.
Q71. What is RCA?
Root Cause Analysis identifies why a defect occurred.
Q72. RCA example
Issue: Duplicate order
Cause: Retry logic missing
Prevention: Add regression test
Q73. How do you prioritize defects?
Based on severity, priority, and business impact.
Q74. How do you test without documentation?
Exploratory testing and application understanding.
Q75. How do you handle tight deadlines?
Risk-based testing and communication.
Q76. How do you handle frequent changes?
Impact analysis and re-prioritization.
Q77. How do you test third-party integrations?
Sandbox testing and negative scenarios.
Q78. How do you support UAT?
Prepare data and assist business users.
Q79. How do you ensure regression coverage?
Checklist + selective automation.
Q80. How do you handle flaky environments?
Escalate early and document issues.
Q81. What makes a good manual tester at Indium?
Analytical thinking and domain understanding.
Q82. Why Indium Software?
Strong QA culture and diverse projects.
Q83. How do you ensure quality delivery?
Early testing and clear communication.
Q84. What is your biggest testing achievement?
Preventing a critical production defect.
Q85. Why should Indium hire you?
Strong fundamentals and quality mindset.
6. Test Case Writing Example (Indium Favorite)
Login Functionality Test Cases
| TC ID | Scenario | Expected Result |
| TC01 | Valid login | Login success |
| TC02 | Invalid password | Error message |
| TC03 | Blank fields | Validation |
| TC04 | SQL injection | Access denied |
7. Bug Report Example with RCA
Title: Duplicate payment processed
Severity: Critical
Root Cause: Missing idempotency check
Fix: Backend validation
Prevention: Regression test added
8. Tools Commonly Used in Indium Manual Testing Projects
- Jira – Defect tracking
- TestRail – Test cases
- Postman – API testing
- Jenkins – CI/CD awareness
9. Domain-Based Manual Testing Examples (Indium Projects)
Banking & Finance
Transactions, security, compliance.
Insurance
Policy workflows and calculations.
E-Commerce
Cart, checkout, payments.
Gaming
Gameplay and monetization validation.
10. Quick Revision Sheet – Indium Software Manual Testing Interview Questions
- Strong fundamentals matter
- STLC & SDLC clarity
- Test case writing practice
- Defect reporting with impact
- API & SQL basics add advantage
11. FAQ – Indium Software Manual Testing Interview Questions
Q. Is automation mandatory for Indium manual testers?
No, but basic awareness is preferred.
Q. Are scenario questions important?
Yes, Indium focuses heavily on real-time scenarios.
Q. What matters most in interviews?
Clarity, honesty, and problem-solving ability.