It was a Skype interview. It's prolonged for around 45 - 60 minutes. In that interview they've asked Questions of Machine Learning, Software Engineering, Operating Systems, DBMS followed by one aptitude Question.

Very good experience. Interviewer was polite. Asked thorough questions. Highly recommended. Asked questions about, file handling, sql queries, operating systems, testing strategies. Very good experience. HR was really polite. Go in for an interview. Very good environment.