Cook rice (each grain should be separate. Pulav does not taste great when it becomes mushy).
Heat oil, fry onion, finely chopped (or grated) ginger till they turn slightly brownish.
Add chili powder, turmeric, coriander powder, chopped tomatoes, salt and fry for a 2-3mins.
Add prawns and cook till they are done (or cook prawns separately and add).
Take off from heat.
Add coriander leaves and mix well.
Add cooked rice mix well.