I applied through other source. The process took 3 days. I interviewed at Avista Technology Solutions (Mumbai) in Aug 2016
Interview
first technical test(MCQ) 10 question,based on asp.net,wcf
2nd round machine round,login and register program some other program
3rd round technical round face to face, 4th round will be HR .in first round you should be clear because criteria will be 10 out of 7 or 8