First they do Telephonic interview. Then we have to give Aptitude test. If we get shortlisted then we are scheduled for personal interview. Interviewers ask technical and aptitude questions. Process is easy.I didn't have any difficulty in whole process.

First you can apply according to their eligibility criteria. Then you will have a test containing your core questions, aptitude and english and reasoning questions in 4 sections.After that test , shortlisting will be there and a final round of interview will be there in which they will ask you about your core technical questions and if you're interested for PAN india or not? And they will ask you to speak for about 2 mins on any recent topic going on!

First they start from our bio data ,then ask for explaining our self,after that they start to ask the technical questions.after that the each members of the interview board start to asking questions