This is my personal experience..the first round was online test conducted by amcat which had verbal, logical , mathematical aptitude and c/c++ round if u clear this round with a significant score ur thru for essay round then the next day..technical interview happened..
the interview was easy, the interviewer was asking everything from my CV and was very friendly.
3rd round was the HR interview here also the interviewer was very friendly and asked questions related to your life and personal experiences and also giving me situations to deal with.