The 1st round was OA round, where I was able to solve 2 questions fully and the last question partially.
It was an online round at the platform codesignal. I don't remember the questions, but the 1st question was easy, the 2nd was DP-based and the 3rd was really hard one. I don't remember it though and infact I used the brute-force solution in that question.
One thing more, I am not a Competitive Coder, so it may be the case that I had found it difficult.
Then, I was selected for the online interview. Only 12-13 students were shortlisted from the whole college.
The online interviews were quite smooth.

1st Round ( 2 interviewers )

• Intro
  ADVICE : Please do mention your special skillset when you give an interview. I am not a CP coder, but I mentioned that I was into Machine Learning. I also assured that this doesn't mean I don't have good knowledge of DSA
• The 1st round started with some easy question related to Valid Parentheses.
• The next question was some variation of Next Permutation question. I was able to explain my approach, but there was not enough time to code, so I had write some pseudo code.

2nd Round ( 2 interviewers )
After waiting for around 1-1.5 hrs, my name was short-listed. Then, after some more time, the 2nd round began.

• Intro ( as the interviewer was changed )
• This time, the level of questions increased.
• Sorry for not remembering the question, but as I solved those questions, I know the DS involved.
• If DS is not mentioned, then you need to figure out which will be the most suitable one. You may start with a brute-force solution, but eventually, you need to catch the hints and build the most optimal solution.
• The 1st one was stack-based. It involved some string operations as well.
• The 2nd was based on trees.

3rd Round ( 1 interviewer )
Just after the 2nd round, within I guess, 0.5-1hr, I was selected for the final round.

• Intro
• Explain the projects. I had 4 ML-based projects on my resume. He asked me to explain any one of them.
• After that, he asked me some questions based on deployment of these models.
• I was asked questions on OS and CN concepts.
• One question I remember was really generic : How Google Chrome works?
• One advice is to speak about what related things you know about it.
• Try to relate the theory you have studied, rote learning won't help.

After almost 3 hrs, I got the result. Only 3 students were selected, and I was one of them.