In a kadai, add oil and when hot add cumin seeds, mustard seeds and once it starts to splutter, add the curry leaves and then saute the to transparent and ginger-garlic paste and saute well till the raw smell goes off. Add the tomatoes and saute well till it becomes mushy and the oil separates.

Now add the spice powders and saute well till everything gets combined and add little water and and cook the mixture well. Now add the pieces to the mixture and cook well by flipping the pieces. Cover with a lid and cook till the pieces are done.

Now add milk and cook well till the gravy becomes thick. Fish stew ready to serve!!!