There was a total of 6 rounds. 1st Round: telephonic. it took for approx 45 mins After that they called for F2F interview. 2nd round: Technical Interview 3rd round: Technical Interview 4th round: Technical Interview 5th round: Ops Manager 6th round: HR they all were pretty much straight forward and interviewers were friendly. They asked mostly from C, bitwise operator implementations, data structure, memory management etc. All the interviewers asked me about my projects in detail(Not only the recent one, they asked about all).