Rajinder da dhaba , nizam's kathi kebab, pikwik , over the top , pul bangash wale , 24/7 tawa and tandoor
Zakir Nagar in Okhla or Nizamuddin Dargah would be your best options after Jama Masjid.
Yes you can try it at nizam Connaught place h block
You can find some famous and Tasty food in Zafrabad area.
New friends colony market