I applied through an employee referral. I interviewed at Tata Consultancy Services (Kochi) 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.
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.
I interviewed at Tata Consultancy Services (Ahmedabad)
Interview
Overall Good experience , Interviewed last 3 month ,
Mainly focused on core .NET skills , experiences on SQL structures, how you optimize it & how you optimize the AI tools in latest tech area.
Interview questions [1]
Question 1
What are microservices and how do you construct them?
