First will prepare yakhni (mutton stock). Take pressure cooker add mutton with 1 litre water, 1 sliced onion, ginger garlic paste, 4 green chilies, salt to taste, coriander seeds, cumin seeds and fennel seeds. Pressure cook on 6 to 7 whistle or till mutton done.
Take out mutton pieces n mutton stock from spices in seperate bowl. Now in large wok heat oil crackle whole spices when spices stop crackling add 2 sliced onion n cook till it turn into light brown.
Add curd and green chilies mix it well. Add mutton n mutton stock n mix it well.
Add rice n little salt to taste( remember we already added earlier) n mix it, if required then only add some water in which rice will cooked well.
when rice done cover the lid keep iron tawa on bottom n then keep pulao wok on iron tawa to get nice cook.
You r done. Serve this Yakhni Pulao hot with raita n salad.