Take all ingredients for prawns and mix well. Set aside and let it marinate.

Now heat oil in a pan, add in mustard, urad dal and fenugreek seeds and let it sizzle for a min.

Add in curry leaves and mix wel.

Add in onions, chillies and salt. Saute till onions is well browned.

Now add in ginger garlic paste and saute for a min.

Add in the spice powder given, saute for few sec.

Now add in prawns and coat this well in the masala for few mins..

Now cook this on low heat for couple of mins.

Now increase the heat and brown the prawns till it is completely roasted.

Serve hot.