I applied through university. The process took 1 day. I interviewed at Tavant (Bengaluru) in Mar 2011
Interview
aptitude test and later GD and later technical round and later HR round.
This was a campus recruitment, so first there was aptitude test and then a round of GD and a technical round and finally HR round
I applied through a recruiter. The process took 4 weeks. I interviewed at Tavant (New Delhi) in Jun 2019
Interview
Couple of face to face rounds with the lead and the manager. Questions were basically based on your resume. Easy process to be honest if you have basic knowledge the technologies in your resume.