I applied through university. The process took 2 days. I interviewed at Tata Consultancy Services (Chennai) in Dec 2011
Interview
There were two rounds. 1. Aptitude- for checking your quantitative, analytical skills, an easy one
2. Interview(Technical or Hr) - Be thorough with details you have put in your resume. Generally they will ask basics of C,C++ etc., Subjects of Interest & some General hr questions.