2 rounds, 1 technical and 1 hr, may be 3 depends.
They generally ask case study, excel and probab in technical round. Hr round is again depends classic probab questions and about yourself they ask generally.
First round was resume short listing second round was aptitude it containted quant reasinong and there were two technical interview rounds the hr round includes in the technical round only
Interview questions [1]
Question 1
If you have a very long paper of 1mm thickness u have to fold the paper so that its height will be equal to 40ft.How many folds do u make?
First there will be an offline Aptitude test, which was conducted offline in college
Then Interview - 2 rounds, in first round they will grill you on apti questions then HR &technical round.
Interview questions [1]
Question 1
Mostly aptitude questions are asked in interview also.