I applied through a recruiter. The process took 2 months. I interviewed at CSC (New Delhi) in Dec 2010
Interview
It was a time-consuming process. Though I had to go through only One Round of Interview. But it took nearly 3-4 weeks to schedule an interview and then more than 2 weeks to get Offer Letter.
I applied through an employee referral. The process took 6 weeks. I interviewed at CSC (Hyderābād) in Apr 2012
Interview
takes lot of time to complete process, which may take upto 2 months.
interview is of 2 rounds of technical in first round it would be complete technical and some problems mostly taken by one of the team member into which you would be taken.
2nd would be by team manager. its mostly to give overview of the work.