Make sure to have grip on basics. And well prepare about your introduction. There are 4 rounds first one is written test and then group discussion followed by technical round and final round was managerial round. If you crack the written test the remaining rounds will be very easy to get thorough. Everything will be asked what you mentioned in your resume.

The first round was a CS test. The second round was a technical interview with a team lead. The third round was an interview with a manager, but I didn't continue as I had an offer from another company.