Heat oil in your Handi and fry the onions until light golden
Add the ginger & garlic paste and the chopped green chillies and give it a stir
Now add the meat and fry it well for about 5 minutes
When the meat turns brown add all the spices (remember to keep aside 1 tsp of Garam Masala Powder for later)
Stir the meat well with the spices
Now add the water and cover the Handi, let the meat cook on medium heat for about 1 hour
After an hour, check the meat and it should be tender. (If your meat is not tender add water (1 cup) and let it cook for a few more minutes)
Add the yogurt and mix well on high flame for about 2-3 minutes
Now add the remaining 1tsp of Garam Masala powder, for more aroma you can add a pinch of the Nutmeg powder as well
Now take half a cup of water and add the flour/atta and stir well to form smooth mixture
Add this mixture to the gravy and stir well
Now cover the Handi and let it sit on low to medium flame for about 2-3 minutes or until the oil floats on the surface
Garnish with ginger and sliced green chillies
Serve with hot Naans or Rotis