1) Aptitude test consists of 2 section
2) 1st section consists of 40 questions and time limit is 20 minutes
3) 2nd section consists of 20 questions and time limit is 30 minutes
4) questions in first section are easy as compared with 2nd section, but speed really matters here and 0.25 marks will be deducted for wrong answer. Therefore leave the question on which you are not sure.
5) no one can attempt all 40 questions in 20 minutes, therefore try to see as maximum as possible don't stick on one question
6) this section is comparatively hard but having 30 minutes for 20 questions gives you time to solve respective question.
7) try to solve 13-14 question out of 20 and 0.5 marks will be deducted for every wrong answer
8) after aptitude test next round is group discussion round, in this they give you technical question to solve and all of you need to optimize the best solution. As you optimize the solution your chances increases for selection
9) then technical interview (1 hour) and HR interview(1 hour)
10) 12 students got shortlisted after Aptitude test, out of 12 ... 6 students got shortlisted after group discussion and out of 6 they selected 3 students.