I applied through consultancy. The process took 1 day.
There are 5 to 6 rounds of interview, depends on your performance.1st was aptitude which is quite easy, 2nd is writing test and after that HR round. then the most important technical round in which they ask mostly related to your aptitude test answers, and in addition excel(must be strong), and also important is numeric. interviewer consider your confidence, your efforts to solve particular situation & last will be manager round.