METHOD 

1. Heat Oil In Pan. Add Cinnamon, Cloves And Green Cardamoms Sauté For Half A Minute then add Chopped Onions And Fry Till Golden Brown. Add Ginger-Garlic Paste. 
    
2. add mutton cook Turn Into Brown Add All The Spices Powder Except Chaat Masala Cook Till Oil Separates From The Spices Then Add Sufficient Amount Of Water And Cook Till Almost Tender Then Mutton Mince.
    
3. Add Tomato Gravy Adjust Seasoning. Cook For Few Minute .Now  Gravy Is Medium Thick In Consistency.
    
4. At The End Lemon Juice, Green Chili, Chaat Masala. 
    
5.  Garnish With Chopped Coriander, Ginger Julienne And Serve Hot.