In a cookware add washed toor dal and some water till dal soaks. Add turmeric powder,few drops of edible castor oil and ghee. Cover and cook until dal breaks.

In another cookware add the drumstick pieces, salt and some water till it soaks. Cover and cook for 5 mins.

Add tamarind to 1/4cup water and bring it to boil. Allow it to cool.

In a currypan add oil. Add mustard seeds,fenugreek and asafoetida. Fry it.

Add half of the chopped shallots and curry leaves. Fry it until onions becomes translucent.

Add the cooked drumsticks with that water also. Then add chopped tomato.

Then add the cooked dal with water,tamarind extract, balance shallots, sambar powder and salt. Add some water to it.

Cover and cook for 15mins. Atlast add some coriander leaves. Sambar is ready.

Serve it with hot rice,idlis and dosas.