It was a campus placement. ATOS visited our college on january 2016. The process takes 2 days. first day was aptitude test.It was easy to crack.it contains quantitative ability verbal & logic section. test duration was around one and half hour.it has sectional time limit & sectional cut-offs. on the same day at night results of aptitude test were declared. i was shortlisted from aptitude test. on very next day there was techinal & HR interview.they asked us to come at 8 a.m. they first presented presentation of there company for about an hour then we have to fill an application form. and then interview process started. I went for an interview quite early.in first 2 slots. first techinal if you clear that you will be redirected to HR if you won't clear techinal no need to wait for results.they will tell results of techinal round in 5 minutes after you came out of the interview room.