Lightly roast sabut garam masala & grind to powder. Mix with rest of masalay.
Heat oil/ghee in pot. Fry sliced onions till golden.
Add lehsan-adrak paste → fry for 1 min.
Add beef + bones → bhunofy till color changes.
Add masala mix + salt → cook till masala coats meat.
Add enough water to cover meat → bring to boil.
Lower heat → cover & slow cook for 4–5 hours till meat is soft.
Roast atta & make slurry (mix with water).
Add slurry slowly into nihari → stir continuously to avoid lumps.
Simmer 10–15 mins more till thickened.