I applied in-person. The process took 2 days. I interviewed at NTT DATA (Chennai) in Apr 2016
Interview
Process took a day. First round was technical with lead. Then tech with manager. At last they hr discussions via phone. Basics of testing with few sql queries in st round followed by managerial round, project details were discussed. Then few concepts of testing.
I applied through a staffing agency. The process took 1 week. I interviewed at NTT DATA (Pune) in Nov 2011
Interview
I joined this company as fresher so first round was written test covering aptitude, testing concepts . Then second round was technical interview this was really awesome interview around 1 hour of technical interview covering what you did in your college days ,projects,technical knowledge and many more. And finally HR again it was very interesting and good as they try to understand candidate completely