I applied through college or university. The process took 1 day. I interviewed at Tech Mahindra (Mandya) in May 2011
Interview
It was a campus recruitment.They will do it online aptitude test first. in that test there we be two parts. One is aptitude and another include the logic reasoning and English grammar. for aptitude general mathematical question will be there.if you refer to any aptitude book then it will be easy. try to refer old interview papers in the internet. time is important in the sense don't waste too much of time thinking for question which you don't know. logic reasoning and English grammar were easy part. referring to old interview papers will help you a lot.
Interview questions [1]
Question 1
in interview they will ask most general question which are related to day to day life like who is the vice president of India etc. which are easy if you know otherwise it will be tough.
I applied through other source. The process took 7 weeks. I interviewed at Tech Mahindra (Poona) in Dec 2008
Interview
i had to take the examination for various things such as technology, skills, logic and all. I had been asked to solve puzzles as i was fresher at that point of time and we didnt have much of skill set as experienced people.