I applied online. The process took 1 week. I interviewed at Bharti Airtel (Gurgaon, Haryana) in Aug 2020
Interview
The first 2 rounds of the interview were good, last round was with the director/lead which was also technical, the person was interviewing for DBA admin skills rather than for DevOps engineer.
I think they don't have any dedicated dba and everything is on-premise infra