Prawns in fried coconut gravy

A- Peeled medium prawns 500 grams,
Drumsticks 5, cut into 5 cm pieces,
Shallots a handful, garlic cloves 5, ginger 2 inch piece, all sliced thinly. Red chilly 4, silted, curry leaf 2 sprigs, tamarind concentrate 2 tsp., tomato 1, sliced, salt to taste.

B- Grated coconut 1 cup, dried red chilly 6, coriander 2 tsp. Dry fry these 3 till brown. Allow to cool and grind in a mixer.
Take 2 cups of water in a wok, add the ingredients listed under 'A',
cook it, add the gravy powder, allow to boil. Add hot water if it is not in your required consistency. Garnish with chopped scallions.