Wash & soak Rice in plain water n keep it aside for half n hour..Heat oil in a pot & add sliced onion, fry till transculent.

Add cumin seeds, cloves, black pepper, cinnamon stick, black cardamom & curry leaves. Fry for 2 mins. Than add ginger garlic paste & saute for 2 mins.

Add Diced potatoes & tomatoes and give it a stir than add all masalas except whole spice powder & cumin powder. Mix it well and add half cup of water. Cover the lid and cook until water dries up.

Now beat yogurt with whole spice powder & cumin powder. Pour it to the potatoes n bhunofy it, add green chillies to it n bhunofy it until oil seperates.

Now add soaked rice with 3 glass of water to the prepared masala.. give it a good & gentle stir. Cook it on high flame until water starts to dry.. now turn the flame medium high n let it dry completely. Now put it on dumm for 5-10 mins.