ZS Associates Business Analytics Associate interview questions

I had been referred by an alumnus for the position. The very next day I got an email from HR, and the selection process was kickstarted. 1) Aptitude Test: Conducted by Aspiring Minds, standard verbal reasoning and quantitative ability questions 2) Telephonic Interview : 30 minutes, 1 puzzle, 1 guesstimate, cultural fit questions 3) Case Based Interview: A business case related to entry of a company into the credit card market of India 4) Interview with the principal : Resume based questions, cultural fit questions, HR questions