There was a written round and three Interview rounds In written round I need to solve 20+25 questions in 1hour or so. Interview rounds were 2 technical round 1 HM round Written was not difficult. Some subject related questions and reasoning, maths and quant was there 1st interviewer asked about project then 3 programming question Even-odd number Palindrome string/bubble sort Duplicate number 2nd interviewer asked me Balance paranthesis LRU Cache

2 rounds of technical discussion which was good, panelist judge more on the basis of analytical abilities rather than coding expertise, which is a good thing for an experienced professional.