For gravy : In a blender add 1 chopped tomatoes, 1 chopped onion, 2 to 3 garlic cloves, 1"ginger crushed, 1 tsp cumin seeds, 1 tsp coriander seeds, 2 green cardamom, 1 cloves, 1" cinnamon stick and 2 green chillies grind it into a paste. Once it is done. Keep aside