its a 2 day process....ist day..1st round was apit+resoning.(easy) try to attempt all questions (no -ve marking)..2nd round was GD consisting of 7 members. they gave u 2 min to speak on particular topic.just be confident .try to make some points . do observe others like what they are telling .make a point and raise your point.just smile and talk thats it.
next round is Tech1 .some querries,simple prog, etc and related to lang mention in your resume.
next was tech+mr round ... some team leads and managerial ques it last for 40 min.. and finally HR round which was quit easy .