Clean and soak rice for 15 mins. Drain the water and Pressure cook rice with 2 cups water.
Grind mint leaves and green chillies together to make a paste.
Add 1 tbsp oil in your 3 liter pressure cooker and when oil is warm add cumin seeds, black cardamom and onions.
Heat 2 tbsp oil in a pan and add cumin seeds, black cardamom. Let cumin seeds crackle.
Now add chopped onions and and saute till light golden brown.
Add mint paste, turmeric powder, garam masala and mix it well.
Now add cooked rice and salt and mix gently.
Remove from flame and serve.