For the online aptitude test, I would recommend looking online for past questions that are asked and practice those. 2 technical rounds were combined for me. Some basic questions about the programming language I knew. Another question about finding the highest number in a given array. And some behavioral question. In the separate behavioral round, they asked me about some common behavioral questions like tell me one of the challenging scenarios that you faced and how you overcame it.
Tell me about yourself. Subjects you like. write a program for micro processor and other subject related questions.
Interview HR setup a phone interview. It was for about 20 mins. I was asked questions based on my resume. Interview was very friendly. He explained the job role and then started asking questions. Basics on C/C++ and other scripting questions were asked.
object and classes
Why do you want to join TCS?
They generally ask the basic of C,Data Structure, and also they will ask your favourite subject and they will try to ask the question from that subject.
What do you know about Blockchain?
Application of stacks?
tell me something about yourself?
Mechanical design questions as I was selected for the EIS (engineering and industrial services). Bending of beams, about belt pulley systems
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