Add oil in a pan and add g. G paste and after 2 to 3 min add prawns in it(washed and clean then before) now fry them for 10 min..

Now add chopped cubes of tomatoes and cover until tomatoes tenderize for 5 min

Now add salt, karhai masala, turmeric powder and and red chilli flakes and broil for 5min

Then add water almost half cup and let it cook until prawns tenderize then garnish chopped ginger and corriender and serve..