Keep a heavy bottomed saucepan on stove and heat oil until it is shimmering

Add sliced small pieces of onions and stir them for 2 mins

Add crushed ginger and garlic(not paste) stir them for 3 mins

Add Kashmiri chilli powder and turmeric powder, mix well for 3 minutes

Add sliced tomatoes and stir everything for 1 minute

Add 1/2 cup water and close the saucepan, wait till boil

After boil, reduce heat and simmer it for 2 minutes

Now add cleaned prawns

Simmer it till the prawn is ready or till it reaches the required consistency