I applied online. The process took 1 day. I interviewed at Digital Nirvana (Hyderābād) in Apr 2016
Interview
1 round - initial screening by HR, testing of communication skills
2 round - online grammar test
3 round - typing of audio played in background.
After this there are three HR rounds, one after another, every one of them test you in a different way regarding candidates communication skills, BPO job, personality test, will ask about any previous job experience,
Interview questions [1]
Question 1
why should I offer the job to you instead of others, what's the specialty in you?