Boil all the lentils together in pressure cooker smoothly. Now with a spoon of refined oil boil mix all the vegetables except tomato and boil it in water. When the vegetables get semi boiled add tomato cubes and masalas. Add salt and sugar according to taste.

After boiling for 10 minutes in low medium flame mix the boiled vegetables into the pressure cooker with boiled dal. Now in low flame cook it for nearly 5 minutes. When the daal gets thickened in a frying pan heat butter.

Now make the tarka with dry chillies, black mustard seed, curry leaves. Spread it on the prepared daal. Now it's totally got ready Sambar Daal Tadka.