In a bowl, take the cleaned rohu/katla fish.. add salt and turmeric powder.. marinate it.. and leave it for 10 minutes..
In a pan heat some mustard oil for frying the marinated fish..
Fry all the fishes , until both sides are slightly brown.
Keep them aside
Into the same pan, add rest of the mustard oil.. add whole red chilli, bayleaf and whole garam masala..
Fry them till the aroma comes out.. if you wish you can take them out..
Add chopped onion.. fry them until slightly brown colour comes..
Add chopped tomato and crushed garlic cloves
Fry them for 2-3 minutes
In a smal bowl, take poppy seed paste, roasted white sesame seed paste, salt,sugar, turmeric powder and green chilli paste.. add 2 tablespoon water.. mix them well and pour it into the pan, to the fried onion-garlic mixture..
Low the flame..
Until paste might be stuck in the bottom of the pan
Fry until the oil separates
Add 1cup of water.. bring it to boil
After that add fried fishes
Boil them for 5 minutes
Check the seasoning.. if required then add some seasoning
After the gravy thickens, add sahi garam masala powder..
Turn off the heat.. spread 2 teaspoon of raw mustard oil upon the gravy.. a lovely aroma comes from it..
Serve hot.. with steamed rice, jeera rice.. In bengali marriage ceremony, it's one of the hit item for lunch time..