Wash mutton 3 - 4 times till the water is almost clear. Mix Salt and Turmeric powder, keep it aside for 2 mins and rinse with water again. Keep this aside

Take a pressure Cooker. Heat 3 tbsp oil in it. Once the oil is heated, add freshly chopped onion in it. Fry till slightly brown.

Add ginger garlic paste and saute for 3 mins.

Add garam masala and mutton masala and saute for 2 mins or till the oil leaves the sides.

Add the washed mutton and mix it well. Add Salt as per taste.

Add water till the mutton is almost submerged. 

Give it 7 to 8 whistles or till the mutton is fully cooked.

Optional - after the mutton is cooked , if you feel you need to reduce the water to make it complete dry, please do so in a high flame stirring frequetly. Serve it hot