In an Clay Pot take 1 cup of water and add prawns to it.
Cook the prawns in the pot add 1/2 tsp turmeric powder to it.
When properly cooked , keep it aside from stove.
Heat oil in another pan,Put the greenchillies and fry for a min.
Add the onion and fry nicely till onion soft and translucent add all the powders too.
Add the cooked prawns to it and saute it well.
Saute until the onion and prawns become brown and dry.Keep stirring in between.
Taste delicious with rice