Go for Satya niketan they have restraunts with food at half prizes than you pay at CP and Khan market
Rajinder da dhaba
Big yellow door
Monsoon by Lota
Aslam butter chicken
Mazaar restaurant( non veg as well) Lajpat Nagar South Delhi
Rajinder da dhaba is best place to visit in south delhi. Overcrowded place of foodies.
Big Yellow Door, Rajinder Da Dhaba, Roadhouse Cafe, Diggin