Unakkachemeen curry(dried prawn)

Dried prawns 100gm,dry fired,cleaned and washed,
Green mango 1,skinned,cut into slender pieces,amaranthus (green)stem,cut into
3 inch length,onion 1,sliced,green chilly 5,slited,curry leaf 1sprig.
Add all the ingredients in enough water in an earthern wok and allow to cook.
Grated coconut 1 cup,shallots 2,garlic clove 3,turmeric powder 1/3tspn,chilly
powder 2 tspn,coriander powder 1tspn,grind all to a fine paste,add the mix to
the cooked prawns,mix well,allow to boil in low flame.
Heat 2tspn coconut oil in a pan,drop in broken dried chilly and mustard seeds,allow
 to crackle,add more curry leaves and add the seasoned mix on the curry.