Interview had 2 Rounds, 1st round can be skype or just like a normal aptitude(Technical +quants). 1st round (technincal + quants), Technical was on java and mostly on garbage collection, threads, oops concepts ,.. 2nd round was on F2F technical Interview. Questions was based on all 4 years of Engineering. he/she asked me everything there on Resume. So write carefully on your resume, dont bluff things that you dont know!