1st Round was an Online Assesment, where 1st section was of Aptitude(20 Q's), 2nd section was of Maths(20Q's) and 3rd section was of programming(20Q's) which involved Basic DSA, C/C++ low level design questions. 2nd, 3rd and 4th were Interview rounds, where in 1st round of interview, the interviewer asked 10-12 Operating systems questions and one Simple DSA question. Second round was also a technical involving low level C/C++ questions and OOPS and then 3rd was HR round.

Applied through Linkedin and then recruited replied within a week. They sent me an online coding test which I had to pass before the specified deadline. Overall questions were medium, not easy. Need some preparation in advance.