Clean and cut carrot and beans into 1 inch bits. Steam cook them with peas and salt and set aside. Peel potatoes and cut into wedges. Fry potiato wedges and set aside. Wash rice and add 1:2 water and set aside.

In a frying pan, add oil and ghee, garam masala, finely sliced onions and green chillies. When gold brown, add ginger garlic paste, beaten curd, vegetables, salt, chopped mint and coriander leaves. Let them cook together and add lime juice.

In a rice cooker vessel, place the washed rice with water and add the vegetable curry to it. Let the vegetable biryani cook together. When half done, gently turn the contents, so that the vegetables do not settle on top. Add saffron soaked in milk while turning the biryani.

When the rice is ready, serve hot with raita or curd chutney.