Heat Oil in a cooker, add Biryani leaf, Cardamoms, Cloves, Black Cumin, Black Cardamom and fry.
Add sliced Onion and fry till they turn light golden and then add Potato pieces and fry them also till they turn golden brown.
Add Ginger Garlic paste and fry.
Add Water and add Green Chillies, Salt, Peas and let the Water boil on a high flame.
Add soaked Basmati Rice and Mint and Green Coriander leaves. Cover and let cook till one whistle. Switch off the stove and keep it until the steam is out and then take it out. Serve it with cool Raitha or a spicy Paneer Curry.