Wash the prawns and drain water properly.

Put the prawns into a bowl.

Marinate it with 1 spoon of turmeric powder, 1 spoon of chilly powder and salt for 1 hour.

After an hour, fry the marinated prawns in enough oil.

Add the rest oil into a pan.

When the oil is hot, add mustard seeds and fenugreek and allow it to splutter.

Add ginger and garlic and saute in the pan untill half fried.

Add 1/2 spoon of turmeric powder and 3 spoons of chilly powder.

Add the fried prawns and add vinegar.

Switch off the fire.

Add fenugreek powder, asafoetida powder and salt.

Mix well.