I applied through university. The process took 1 week. I interviewed at ATG (Calcutta) in Jan 2019
Interview
it was a collage campus interview. first they take a test which consist of aptitude and psychometric sections. shortlisted candidates called for interview. interview is based on technical questions on your respective background. in hr round they ask about the company and check if you have any interest for higher studies
Interview questions [1]
Question 1
they asked technical questions based on your respective background