Your best place is JAMA masjid, you can find kababs for 40-50 rupees per plate. I am sharing below my list of places in JAMA masjid you must visit ( which is friendly with our pockets too!)
Lalu kababee- mutton seekh kabab
Aslam chicken - butter chicken
Haji Mohd Hussain-AFC
Al jawahar-chicken korma, mutton nihari
Sultan ji sweet
Karim- mutton, keema, nihari