Wash the rice and set aside.
Marinate the prawns in ginger garlic paste, chilli powder.
Saute finely chopped onion with ghee util color turns golden brownish.
Add cinnamon stick, bay leaves and pepper corn to pan.and saute it.
Add marinated prawns to this and again saute till change its color.
Then add rice and saute some more minutes.
Add water till the rice submerges in and then add salt.stir for few minute.
Allow this to boil till water dries up.
Serve hot.