I've been to a few and cafeteria and co are following the protocol in a very sophisticated manner
Big chill, big yellow door
I've been to many restaurants and cafes after it being open and they are maintaining high safety standards, Delhi restaurants are doing very good job, go for any.
The ones i have been to are following all the protocols- AMA Cafe Big Chill, IHOP, Pa Pa Ya, Urban Room, Bokan
Usually all ate taking the best precautions they can rest is on us how we can take more
MKT is keeping proper sanitisation and Olive kitchen and bar .