Mushroom Biryani

2 lbs Mushroom
2 Onions
4 Cups Basmati rice
1 Lemon
3/4 Cups Oil and ghee
2 tsp Soya sauce
7 Cloves garlic
4 Green chillies
3 tsp Chopped ginger
3 Cinnamons
3 Cardamoms
3 Cloves
3 Tomatoes
1 1/2 tsp Chilly powder
3 tsp Coriander powder
Mint leaves
Salt to taste
Coriander Leaves

Soak rice for 1 hour.Trim mushrooms into big pieces.Cut onions, chillies and tomatoes.Grind cardamom, cloves, ginger, cinnamon, garlic into a paste.In a pressure Cooker, heat the oil and ghee, fry ground masala and the onion till it turns golden brown.Then add all other ingredients, mushrooms and stir for 10 minutes.Add 7 cups water and let it boil, add the soaked rice and stir till the rice level and the water level equals, pressure cook in low flame for 15 minutes.