Cannot actually could how much rounds to consider here. There were total 7 rounds in entire process.
First F2F round where basic questions about current project and tech stack were asked.
After a gap of month or so, got an interview invite for next rounds.
Day 1:On the day of interview, well interviewer's were not aware of first round , so they asked me to appear for technical MCQ kind of test. After clearing that , panel of two people started taking Interview. After half an hour, one of the panelist(A) left while other continued to take Interview for 1 and half hour. He asked mostly questions around core java, multithreading and was asked to solve problem . The approach I had taken to solve that problem created kind of confusion/discussion amongst them. So earlier panelist(A) came in again to check the solution which went on for another 30 mins.
I cleared that round and it was followed by managerial round for another 30mins.
Received positive feedback about it after a week and another Managerial round was scheduled.
Day 2: As senior manager was busy in a meeting, one of the team lead was asked to take my interview (or may be to pass some time). The TL again asked same multi threading questions and some problems solving kind of questions. Some of which I could not solve completely. It was then followed by Senior manager round which lasted for another one and half hour. It was mostly about framework related , data structures and design patterns questions. After clearing that round, Senior Manager asked me to wait for discussion with HR.
Had discussion with HR about policies and compensation part. HR told me that they would sent out an email asking for documents.
And that's it.. heard nothing from HR after that, which kind of ridiculous.