I applied through other source. The process took 3 days. I interviewed at MyDBOPS (New Delhi)
Interview
It would be better if you take interview based on the skills mentioned in resume than instead of asking to prepare 1k+ pages. After preparing half of that pdf even I didn't get any calls after interview process. Wasted 3 days of time by preparing.
Interview questions [1]
Question 1
all questions based on pdf they gave you to prepare before interviewing which consists of 1k+ pages