They totally had three rounds. Aptitude , GD and final was HR round. These rounds begin after your resume selection. The interview process takes around 2 weeks minimum. Prepare your self intro well to get selected. also learn basics of Excel.

First had the GD(gave the topic of AI - and we 12 members spoke in favor and against ) then personal interview(questions were, NIQ?, what does NIQ do. process of data,) then everything came from CV