Heat oil in a pan & add chana dal,cumin seeds, coriander seeds, rice,black peppercorns,methi dana, garlic cloves & green cardamoms.Roast on lowflame. Soaked the toor dal in the water for an hour.
Now add whole red chillies,garlic, onions,curry leaves,turmeric powder,red chilli powder,sambhar masala,grated coconut,Roast all for few minutes & switch off the flame,let them cool down.
Grind all in a mixie
Heat 2 tsp oil in a cooker with chopped green chilies,stir for a second then add chopped tomatoes,stir again& addsalt, chopped vegetables.Stir for few minutes.now add half of the grinded masala with enough water.Add soaked dal.
Cover the cooker with lid & give 2 whistles.
Open the lid & again boil,now add tamarind juice& jaggery,stir constantly.Now add remaining half of the grinded masala,stir v well.
Tempering:Heat oil in a pan with mustard seeds & methi dana,when they crackle up add asefoetina,whole red chillies & curry leaves. switch off the flame & pour this tempering in the cooked dal & mix well
Serve hot with idli.