Prawns and drumstick in coconut milk

Medium prawns peeled and cleaned 300 grams,
Onion, 1, garlic cloves 4, ginger 1 inch piece, all thinly sliced, fresh red chilly 2, silted,
drumsticks 3, cut into 5 cm pieces, and halved, curry leaf a sprig, salt to taste, turmeric
powder 1/3 tsp., chilly powder 1 tsp., fenugreek powder 1/4 tsp., tamarind paste 1 tsp., salt to taste.
Combine all the ingredients and slow cook in a cup of water.
Add a cup of coconut milk, allow to bubble, adjust salt and serve with rice.