Beginner 20 Questions • ~5 hrs study

Indian IT Companies (TCS, Infosys, Wipro)

Complete guide for mass-hiring interviews at Indian IT companies — aptitude rounds, coding tests, technical interviews, and HR patterns.

1

What is the TCS NQT (National Qualifier Test) process?

Short Answer

TCS NQT: Online aptitude test → Coding round (1-2 problems) → Technical interview → Managerial interview → HR round. Score-based: Ninja (3.5-7 LPA) vs Digital (7-11 LPA) vs Prime (11-16 LPA) based on performance.

Key Sections

  • Aptitude: Verbal, Quantitative, Logical Reasoning, Programming Logic
  • Coding: Easy-medium problems (arrays, strings, basic DP)
  • Technical: OOP concepts, DBMS, OS basics, project discussion
  • HR: Standard questions, willingness to relocate, bond agreement

💡 Memory Trick: "TCS tiers: Ninja (basic) < Digital (coding+aptitude) < Prime (everything stellar)"

2

How to crack Infosys InfyTQ and Power Programmer roles?

Short Answer

Infosys offers InfyTQ certification → Specialist Programmer (SP) and Power Programmer (PP) roles. SP focuses on coding + aptitude. PP requires strong DSA + system design thinking. Complete InfyTQ courses for advantage.

Key Tips

  • Complete InfyTQ certification (free, gives priority in hiring)
  • Practice HackerRank/HackerEarth style problems
  • Strong fundamentals: OOP, DBMS, OS, Networking
  • Communication skills matter significantly in HR rounds

💡 Memory Trick: "Infosys: InfyTQ cert = fast track. Focus on coding + fundamentals + communication"

3

What are the most common technical questions at Indian IT companies?

Short Answer

Focus on fundamentals: OOP pillars, DBMS normalization + SQL queries, OS (process vs thread, deadlock), basic DSA (arrays, strings, searching, sorting), and your project explanation.

Most Frequently Asked

  • OOP: 4 pillars, abstraction vs encapsulation, polymorphism types
  • DBMS: ACID properties, normalization, JOIN types, SQL queries
  • OS: Process vs Thread, deadlock conditions, paging vs segmentation
  • Coding: Reverse string, palindrome, fibonacci, array manipulation
  • Project: "Explain your project in 2 minutes"

💡 Memory Trick: "Indian IT tech rounds = OOP + DBMS + OS + Basic Coding + Project. Master these 5."

Questions 4-20 continue with company-specific details.

Topics covered: Wipro Elite/Turbo process, HCL hiring, Cognizant GenC, service agreement/bond details, aptitude shortcuts, common coding patterns, and how to stand out in mass hiring drives.

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