Roast the brinjal on a medium flame till well cooked. Cool, peel and mash.

Heat oil. When the oil is hot. Add cumin seeds, mustard seeds. Let it crackle. Fry onion till it becomes light brown in colour. Add chopped tomato cook till the tomato become tender. Add turmeric powder, red chilli powder, cumin powder, salt, garlic and ginger paste. And green chilli. Fry for a few minutes. Till the oil rise to the surface. Add the mashed brinjal cook in a lower flame till four to five minutes. Add chopped coriander leaves. Mix well. Transfer to a beautiful bowl. Ready to serve.