Soak tamarind in a cup of hot water and allow to sit for 20 minutes.
In a pan add sesame oil and add all the ingreduents under masala one by one and saute well.
Allow it to cool completely and grind to a smooth paste
Fry the sliced brinjal in a tbsp of oil for 5 minutes.
In a heavy bottom pan, add oil, mustard, fenugreek seeds and let them pop.
Add the garlic, curry leaves, red chilli and small onion. Saute for 2-3 minutes, until translucent.
Add chopped tomato and salt, cook till tomato turns mushy.
Now add the fried brinjal and sambhar powder. Mix everything well.
Add the grinded paste and tamarind water. Adjust the consistency by adding water. Allow to simmer for 5 minutes.
Serve hot with rice and appalam for wholesome meal.