Round 1 : OA 18 mcq 2 coding problem mcq section comprises of OS, pseudocode ,Data structure or i would say core subject, coding problem both were hard one from bitmaniputation , and other problem from dp Round 2 : Technical DSA based problem asked 2 but this can vary interviewer to interviewer level of problem (one hard other medium to hard) Round 3: technical panel design like problem but not system design it consist of game design like tic tac toe