I applied through other source. The process took 2 days. I interviewed at Ved Prakash (Mumbai) in Sep 2015
Interview
1) apt test consists of 20 questions from english 7 ques qunats 7 ques and reasoning 7 ques
2) it was technical test of 30 quest.
3) den there wer 2 tech rounds 1 was mainly focussed on yur last year project.
4) den there was a hr round