Sandoz in Connaught Place has the best chicken according to me. Their Kadhai Chicken and Butter Chicken are just incredible and you won’t regret it.
Aslam chicken corner
Rajinder da dhaba
Al jawahar , Jama Masjid, gulati, aslam—opp Jama Masjid. Punjab grill. Namak mandi—Vasant Kunj
For kabab . Qureshi's Kabab Jama masjid
Ashok Vihar , murga market