I applied through university. The process took 1 day. I interviewed at Nalsoft (Guntūr) in Sep 2019
Interview
Interview comprised of 3 rounds
1)First round was written test and they focused on Aptitude and English most.One thing they wont mention you is if you get minimium marks in aptitude then they will evaluate your english otherwise you are out of interview process .
2) It is personal interview and many C related questions are asked .
3)It is the Group discusssion and the results were out by the end of the nextday