I applied through LinkedIn on Saturday. I got a call from HR on Monday. In that call I was asked basic questions like why Analytics?, Prior job experience, college, etc. On Tuesday I got another call describing about the aptitude test link. The test needs to be completed before Wednesday. I gave it on Tuesday itself. Next day i.e on Wednesday I received a another call for the interview details that was going to happen on Thursday. Thursday late night I got the offer letter from the company