I applied last month through their site. They performed a VKYC (I got lucky as I was connected with the agent fairly quickly) and once kyc was approved I was asked to share ITR acknowledgement for last year. After sending them my ITR acknowledgement a couple of times through mail (this was the most time consuming part), my card got approved.
I was given a Rupay platinum card initially but I asked for a conversion through the app and they gave me Millenium (Select) variant under a week. I can access Spa, Health, Gym, and Golf features through the card now.
Their is no joining/annual fee as long as you use the card once in a quarter which is pretty easy seeing it can be linked to UPI.