Cut the eggplant into small cubes. Finely chop the onions, tomatoes, green chilli and coriander leaves.
Heat a tava and roast the groundnuts and sesame seeds. Cool and grind to a powder.
Heat oil in a pan and fry the eggplant pieces to a golden brown. Drain and keep aside.
Remove excess oil from the pan and keep about ½ tbsp of oil in it. Add dry red chilli, chana dal, urad dal, cumin seeds and mustard seeds.
Once they start to splutter, add the curry leaves and chopped onions. Fry for 1-2 minutes.
Add green chilli and ginger-garlic paste and fry.
Add tomatoes, turmeric, red chilli powder, coriander powder, cumin powder and salt. Combine well and cook covered for 4-5 minutes.
Add the fried eggplant pieces and mix well. Cover and cook for 2-3 minutes.
Sprinkle the groundnut-sesame seeds powder and mix properly. Garnish with coriander leaves and remove.
Serve Brinjal Tomato Masala with steamed rice or Roti.