The process took one day. First was an aptitude test which was not very difficult. After that there was a technical aptitude test with basic questions from C and C++. The shortlisted candidates were asked to interview. There were three rounds : Technical , Managerial and HR. The questions in technical round were: "What languages can you code in?'' ,"What is inheritance?", "What is a linked list?". They prefer Java and Python. They also asked 2 puzzles. They were simple.