Wash the curry leaves and pat dry on tissue paper or kitchen towel. Keep 5-6 leaves aside to add to tempering.
Finely chop the tomato.
Finely chop coriander leaves.
Dry roast spices( except mustard seeds), dal and curry leaves.
Once the spices and dal mix starts giving the roasted aroma, take off the heat.
Transfer to a grinder jar and grind to coarse powder.
In a pan, heat oil, add mustard seeds, when seeds splutter add curry leaves.
Add chopped tomato and cook on low flame till it softens.
Add the coarse powder, tamarind water, jaggery powder, mix and about 2-3 cups water.
Let the mixture come to boil.
Add finely chopped coriander leaves before serving.
Serve hot.