TATA Communications Interview Experience For Graduate Trainee Engineer (On-Campus)
Interview Experience
I applied to TATA Communications through campus, They offered the role of ‘Graduate Trainee Engineer’ and The location was in Pune.The company registration will start on 2...
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I applied to TATA Communications through campus, They offered the role of ‘Graduate Trainee Engineer’ and The location was in Pune. The company registration will start on 23 Jan 2024 and I registered on some day itself. The whole process of TCL includes: Aptitude Round Technical Round 1 Technical Round 2 HR Round Let's see each Round one by one: Aptitude Round: After registration, an aptitude round is conducted on 09/01/2024. The total time for the Aptitude test is 30 min. and there are mainly 3 sections: SR . NO. SECTION NO. OF QUESTION TIME 1 Quantitative 10 10 min 2 Logical 10 10 min 3 English 10 10 min It is an audio and video proctored assessment on the ‘AON' platform from our respective places/locations. From my college on average 500+ students appeared and 88 students were short-listed for the
next Round Next which was conducted on 30/01/2024 in the CRPC office between 9:00 am to 6:00 pm. On interview day firstly there are Preplacement Talk (PPT) in which all interviewers introduce themselves. The HR manager will elaborate on responsibilities related to the job role and location.
Technical Round 1: The first technical round is taken by two interviewers. They have experience of 10 and 17 years respectively. So firstly they ask me about myself (intro) and Then about the company. So I tell about myself briefly and then explain about the company well. During the explanation, I tell them, that the company works in various segments such as loT, networking, security, cloud computing, etc. Then one of the interviewers asked me if I selected which field I preferred for working, and my answer was "cloud computing” or "security”! Based on that actual Q/A session starts: Question list: OSI Model Protocol Associated with each layer of the OSI Model? Difference between TCP and UDP Tell me the name of the Cyber attacks. What is meant by firewall? How firewall Work? Difference between vulnerability and threats? Spelling of "Phishing"? Tell me the name of the encryption-decryption algorithm. Explain RSA Explain DNS Tell me which kind of security attack you face in day-to-day life - Dos/ Ddos. Tell me your understanding of Networking. What do you learn in networking? Which protocol is associated with the Application Layer? What is meant by cloud computing? Tell the advantages and disadvantages of the cloud. Which companies provide cloud services and what name of their cloud platforms? Explain SaaS PaaS, and IaaS and give an example Is there any other service other than SaaS, PaaS, or IaaS? How do you protect your data transfer? Explain the Man In the Middle attack. Any Questions for us? The first round is completed in 30-40 min. After that, I'm waiting for the result in the seminar hall (seating/waiting area). Near about 2 hrs later I got a call from a volunteer for technical Round 2. Out of 88 students, 17 students were shortlisted for the second technical round.
Technical Round 2: This Round was taken by a senior manager who has experience of near about 20+ years. Question List : Tell me about yourself. Why do you want to join TCL? Related questions In 20 min this round ended. And in 1 hr finally, I called for hr round, only 6 students had gone for the last round.
HR Round: Tell me about yourself and your family background. Tell me about the company and the company's products. Why do you want to work with TATA Communications? Any plan of higher studies? If I ask you one of your friends, that tells me about "Avinash", So what do they tell me according to you? There is a night shift once a month, so are you ok with that? What is your father's occupation? If you are from a developing background then why are you interested in a management role? How many acres of farm/ land do you have? Any question? After all this Round they Declare that all six students are SELECTED!! Written BY Avinash Wani
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About Tata Communications Interview Reports
This question was reported by a candidate who interviewed at Tata Communications. LeakCode aggregates interview reports from 10+ sources, including 1Point3Acres, Glassdoor, LeetCode Discuss, Blind, Reddit, Indeed, and Nowcoder. Each report is translated where necessary, deduplicated against existing entries, and tagged by company, role, round type, and reporting date.
Use this question as one calibration data point, not a memorization target. Companies typically rotate their question pools every 2-4 months; the exact wording of a 2024 question may differ from what you encounter today. The underlying pattern, difficulty level, and follow-up depth at Tata Communications are the higher-signal extractions to take from this report.
For broader preparation context, the Tata Communications interview process typically includes a recruiter screen, one or two technical phone screens, and a 4-5 round on-site loop covering coding, system design (at L4+ levels), and behavioral. Reports tagged on LeakCode show the round-by-round distribution and typical difficulty calibration. To browse questions filtered by round type and seniority, use the company hub linked above.
How To Practice This Type of Question
Solve similar problems on LeetCode under timed conditions (25-35 minutes per medium difficulty). The goal is pattern recognition: recognize the underlying technique (sliding window, two-pointer, BFS, memoized recursion, etc.) within 60-90 seconds of reading. Strong candidates verbalize their hypothesis out loud before coding, then iterate based on feedback. Weak candidates dive into implementation immediately, lose time on the wrong approach, and run out of time for follow-ups.
Companies update their question pools every 2-4 months. The exact wording of any given question may have been retired by the time you interview. Focus your prep on the pattern, not the specific problem. The patterns that appear in Tata Communications reports consistently are the ones worth investing in; one-off niche problems are not.
During Your Tata Communications Round
Apply the standard interview round template: clarify requirements (2-3 minutes), state your approach out loud and confirm direction with the interviewer (3-5 minutes), code with narration (15-25 minutes), test with concrete examples including edge cases (5 minutes), discuss optimization or trade-offs if time permits (5 minutes). This template is universally accepted across FAANG and adjacent companies; deviating from it produces weaker interviewer feedback signal.
The single most predictive failure mode in Tata Communications reports tagged "no hire": not asking clarifying questions. Interviewers are explicitly trained to weight this. Strong candidates ask 3-5 clarifying questions even on problems that look obvious; weak candidates dive into code immediately. The clarifying-question check is often the first signal recorded in the interviewer's written notes.