Rinse basmati rice very well in water till the water runs clear of the starch. Soak the rice in enough water for 30 min to 1 hour.
Turn on SAUTE. Wait for the pot to get hot and then add oil. Once oil is hot add biryani spices(Black cumin, cinnamon, cardamom, cloves, bayleaf, black stone flower,Black pepper, star anise), cashew nuts to the oil and fry for 1 min.
Add ginger garlic paste and saute until raw smell goes.
Add curry leaves, green chillies slit, onion slices and salt and fry until onions are transparent color.
Once onions are transparent add carrots, peas, mint and coriander leaves and fry 2 minutes.
Add soaked rice and coconut milk and mix well. If salt is not enough adjust now to the taste
Close the lid on the pot, and turn pressure valve to SEALING position.
Set the pot to MANUAL/PRESSURE COOK (High Pressure) and set timer to 8 minutes.
Once the pot beeps, wait till the pressure releases naturally. Then, open the lid, and mix everything well.