I applied through an employee referral. I interviewed at Tata Consultancy Services (Cochin) in Nov 2025
Interview
OOPs
What are the four pillars of OOP?
Difference between abstraction and encapsulation.
Method overloading vs overriding.
Interface vs abstract class.
DBMS
Primary key vs Foreign key.
Normalization.
ACID properties.
Indexing.
SQL JOIN types.
Operating Systems
Process vs Thread.
Deadlock and prevention.
Context switching.
Virtual memory.
Interview questions [1]
Question 1
OOPs
What are the four pillars of OOP?
Difference between abstraction and encapsulation.
Method overloading vs overriding.
Interface vs abstract class.
DBMS
Primary key vs Foreign key.
Normalization.
ACID properties.
Indexing.
SQL JOIN types.
Operating Systems
Process vs Thread.
Deadlock and prevention.
Context switching.
Virtual memory.
I interviewed at Tata Consultancy Services (Bengaluru)
Interview
The interview process was smooth and well-organized. It started with an aptitude/online assessment round, followed by a technical interview where questions were asked about my projects, technical fundamentals, and problem-solving skills. The final HR round focused on communication skills, career goals, strengths, and overall fit for the role. The interviewers were professional and supportive throughout the process.
Interview questions [1]
Question 1
"Tell me about yourself and explain your final-year project."
The interview depends upon the panel that in interviewing you. The panel will include HR and 2 technical persons, so l1 l2 and hr all the rounds happen at one time.
Interview questions [1]
Question 1
They gave us a sheet which has 2 sql questions and one easy level coding question.
Cleared the NQT exam. Got selected for the interview for Digital role.
First there was a technical round where they asked about my projects, OOPs concepts, DBMS, basic SQL queries.
Some students cleared to the second round which was HR+Technical . They asked me about relocation and technical questions in this round were very basic ones from my resume.
The interview wasn’t difficult , but the interviewers were a little rude.
Interview questions [1]
Question 1
Introduction. Method Overriding, Project in depth.