1st round Aptitude
2nd and 3rd round are HR and Manager Round.
Aptitude round is quite good with all the combination of quantitative and logical reasoning questions.
Also it has a question regarding the solving of sudoku which helps the recruiter to know your problem solving skills with regards to various situation.
Hr and Manager rounds are quite normal with they trying to find the right person for the right job by analysing the attitude the person possesses.