Heat oil in pressure cooker add jeera wait till the color change. Add onion and fry till it get pinkish brown.
Add tomatoes n cook till it get soft. Add ginger garlic paste, green chilies, salt, red chili powder, turmeric powder, coriander powder and garam masala powder, Saute till oil start oozing.
Add mushrooms n potatoes with little water now cook it for 2minutes. Add soaked rice with limited water n pressure cook it on 3 to 4 whistle.
Serve hot n Garnish coriander leaves. Serve with raita, papad etc