Heat oil in a pan add cumin seeds coriander stems tej patta, cinnamon stick chopped onions, grated ginger garlic saute till onion gets transparent. Add chopped tomato red chilli powder, turmeric powder salt and jaggery saute mix well.Add 1/2 glass water and cook for 25 -30 mins. mash with masher and strain.Take out tej patta and cinnamon stick.