In a separate pan, mix together water, rice and salt and bring to boil.
In a pressure cooker, heat oil and add the spices.
Add onion and sauté until translucent.
Add the mushrooms and the spice powders and salt just enough for mushrooms.
Do not add water. When the first whistle blows, reduce flame and cook for 2 minutes.
Release pressure, add the water rice mixture.
When the first whistle blows, reduce flame and pressure cook again for 3-4 minutes.
Let the pressure come down.
Serve The pulao hot along with raitha.
