CDAC bangalore 1st round was aptitude contains 40 question & 30 basic electronics , C error nd output checking type question , 4 or 5 0question were there from C++ . 14 were shortlisted of 40 students . second round was technical ,they were asking so deep question based on your project , C programming concepts like Volatile , static ,extern, bit manipulation etc . question were also from micro-controller which u would have used in your project . third round was MR which was totally luck basis question could be from any domain depends on interviewer (bcz they already decided whom to hire on the basis of technical round. 4th round was HR it was totally formality they were giving employment form to fill up nothing else .