First Round was puzzle test . we were given 5 puzzles to be solved in 40 minutes of pretty good difficulty level and write approach also not only the answers . they also check your rough work . if you do 3 properly you are selected. Second Round was GD where they divided us in group of 8 & wewere asked to do discussio on topic demonetisation effects on common man. Third round was personal interview where they gave puzzle & if you solve you are asked for hr round which is important as well . P.S. define yourself very properly in HR round.