Depend on the mood of the interviewer , They took 5 Round for me.
They have almost no process, If you mention that you are already holding an offer and they can not offer the same or more than that, In fact if we already informed them in first call , They will still arrange the interview.
After that in each interview round they will ask for Expected salary , Already you have mention they will as each time.
At the last HR time , Only 1 min of discussion is they can not offer the same which we are holding ! and then they will talk with us very roughly and then they will give your negative review.
The wrostinterview ever took !!!