People tend to check in during these times:
The "Roll Call" authentic Kolkata rolls & Mughlai love there food
You get chai and cigarettes here throughout the night.
The breakfast served at a bandi behind block 3 in the morning is the best, one could ask for. Absolute value for money.
Paratha is good in paratha char
In case you are looking for food but do not want to burn your pocket then Vaishnav is a good place. A 10 min walk from here in kundanbagh.
The tea shop behind this building is awesome. You need to take the underground route from block 3
oreo milkshake at the juice shop behind block 2
Kitkat milkshake at the juice shop behind block 2
The sandwich at Tibbs frankie is awesome!
The Frankie here is good.
Try the Pani Puri on the backside exit - In Kundan Bagh.