Cut the fish into pieces and mix with onions paste, salt, green chillies paste, pepper powder. Deep fry in oil until golder brown and remove without any oil.
Heat ghee in a pan, fry rice with potatoes, turmeric and ginger for few minutes.
Add sufficient water to the rice and cook until three-fourth of the rice is cooked.
Then add fish pieces, mix well and cook the rice until it is done.