There were 4 rounds of the selection process 1st round was a written test questions on aptitude , programming, c objectives 2nd round was a Tech 1 interview 3rd rounf Tech 2 interview final round HR interview

Apti round also, c, c++, linux understanding of computer hardware and os kernel, approximately 1hr interview, technical + hr seperate inteview, process mayn take 2/3 days, dsa, programming with special focus on pointers/oops/etc..