Apply Oil to the Eggplant & roast it over flame. To get a even roasting, keep rotating the Eggplant. Once completely roasted, put in a plate & cover with a bowl. Remove the skin & mash it well.
Heat Oil in a kadai, add Mustard seeds, Jeera & Hing. Once the seeds crackle, add Chana dal, Urad dal, Green chillies & Curry leaves.