The first round consists of technical aptitude and quantitative aptitude.Simple question were asked in both technical and quantitative aptitude.Technical aptitude contains 45 questions and time duration is 40 minutes and 75 quantitative aptitude with a timeduration of 60 minutes.second roung will be group discussion.And they will give current affair as topics for GD.Third round will be the technical and personal interview..

Well the interview is of 3 stages, the first one being the written test, which consists of both technical(core) and aptitude questions. The second one is a group discussion, the topics are mostly on current affairs, so if you read the news paper, it would be quiet helpful. The third round is an interview, both tech. and HR combined as one. The tech. Questions are pretty basic and the HR questions are also the usual once.