Marinate prawns with ginger garlic paste,salt n with all spices(half of the above quantity) for half n hr

Now heat oil add onion fry till soft.. Now add g.g paste n tomatoes and remaining all spices bhounfy till oil separate.Now add potatoes n yogurt n little water,cook till potatoes done..Now add prawns cook for 10min more..

Now in a sane pan Add water n salt according to Rice.. when water dry mix and sprinkle soya n put on dun for 15mins