In a bowl take the cleaned prawn to that add 1 to 5 that means add red chilli powder coriander powder turmeric powder vinegar oil and required salt and marinate for 10 or 15 minutes.

In a pan add oil,green chilli, curry leaves and saute for a minute add ginger saute for a raw smell goes then add sliced onion saute until translucent then add red chilli powder 1 tsp then add the marinated prawns then add tomato. then cover and cook the prawns without adding water.the prawns cook in it's own water..and roaste it's for a minutes.