Apply oil all over brinjal and nicely roast in on high flame until done.

Allow it to cool then remove the skin and mash it.

Finely chopped onion and tomato.

Now heat oil in a pan add cumin seeds and mustard seeds let it crackle then add onion once soft add all masalas then add peas after 2 mins add tomato and let it cook nicely now add mashed brinjal.Your bharta is ready to serve.