TR Round (Technical Round): Meaning, What Is Asked and How to Prepare

TR round is short for technical round: the interview in which an engineer or team lead checks whether you can actually do the work. In Indian IT hiring it is the first face-to-face round after the online aptitude or coding test, and it comes before the managerial round (MR) and the HR round. The three-letter shorthand TR, MR, HR is used by placement cells, WhatsApp groups and company recruiters alike.

Where the TR round sits in the process

A typical fresher drive at TCS, Infosys, Wipro, Cognizant or Accenture looks like this:

1. Online test (aptitude, sometimes coding), for example the TCS NQT.
2. TR round: 20 to 45 minutes with a technical interviewer.
3. MR round: a delivery or project manager, at companies that hold one.
4. HR round: salary, notice period, relocation, documents.

On many campuses TR, MR and HR happen on the same day; sometimes one panel covers all three. The TR portion still carries most of the weight.

What is actually asked

The interviewer usually has your resume and your test score in front of them. Expect five layers:

• Your project. "Explain your final-year project" is the most common opener. They want the problem, your part in it, the technology choices and one thing that went wrong.
• One programming language. Whatever you listed first: Java, Python, C++ or C. OOP concepts, memory, exceptions, collections, and a small program written live.
• Databases and SQL. Joins, primary versus foreign keys, normalisation, and a query such as "second highest salary".
• Core subjects. Data structures (arrays, linked lists, stacks, queues, trees), operating systems (process versus thread, deadlock), networking basics (TCP versus UDP, what happens when you type a URL).
• Situational technical questions. "Your code works locally and fails in production; what do you check?"

For experienced candidates the same layers go deeper: design of a service you built, why you chose a database, how you handled scale or a production incident.

A concrete example

A 2026 CSE graduate with a TCS Ninja shortlist walks into a 30-minute TR. The interviewer asks her to explain her attendance-management project (5 minutes), asks what a foreign key does and how she stored the student-course relation (5 minutes), asks her to write a Java method that counts vowels in a string on paper (7 minutes), then asks about the difference between an abstract class and an interface, and what a deadlock is (8 minutes). The last five minutes are "any questions for me". Nothing exotic; everything from the second and third year syllabus, asked in a way that checks whether she understood it or memorised it.

How to prepare

• Pick one language and know it properly rather than listing four.
• Rehearse your project explanation until you can do it in two minutes and in ten.
• Write twenty small programs by hand: string reversal, palindromes, Fibonacci, sorting, duplicate detection, a linked-list traversal.
• Practise SQL on a real table with at least two joins.
• Read your own resume line by line and prepare a question for every line.

Saying answers out loud matters more than reading them. A MockMate Practice session runs in the browser, uses your resume and the job description to pick questions, includes a code editor for technical rounds, and follows up when an answer is vague. The report at the end lists each question with coaching and your response time. Use Practice for preparation; use MockMate's Live assistance only where the organisation, interviewer or applicable rules permit assistance and disclosure.

Related terms

• Managerial round: the round after TR at TCS, Infosys and Accenture.
• HR round: the final round, mostly about you and the offer.
• NQT: the TCS test that comes before the TR round.
• Aptitude test: the online filter most drives use first.