1. Epicuria Food Court at Nehru Place Metro station , because there you can sit with your freinds for the whole day and no one will disturb you.
2. Pacific Mall Food Court for almost the same reason as above.
3. Humayun Tomb for it's beauty and peaceful environment.
4. Connaught Place for being happening place.
5. Hudson Lane for summers..
6. India Gate and Mughal Garden for winter season.
7. Shopping Malls near Noida Sec 18 for the variety of brands there.