Heat a mannchatti (clay pot) on high flame and add onions,chillies,ginger,curry leaves,chilli powder and coriander powder saute for 30secs.

Now add thin coconut milk and salt then bring it to a boil now add raw mango slices and close with a lid and turn down the heat till mango mangoes get cooked and imparts a tangy flavor the gravy

Add prawns and cook till gravy is thick it takes 4-5mins.

Once the gravy is thick add thick coconut milk,here check for salt and bring it to a boil once done turn off the heat.

If you want you can temper it with shallots in coconut oil till brown, tastes even better