Delhi 6, Jama masjid Area. Here you can find one of the best kebabs, fired and roasted chicken/ fish, not to forget karim's and Al-jawahar (Breakfast here is simply awesome) and Aslam chicken (one of the best dahi-butter chicken in NCR)
You should definitely give a try to @Tilak Nagar Jail Road area. There are a lot of options for snacks to main course. Give it a shot for finger licking experience. I can give you recommendations too.