Firstly, in a pressure cooker, add toor dal, a pinch of turmeric, 2 cups of water and pressure cook the dal well, reduce the steam, mash the dal well and rest it aside.
Take a cooking pot, add oil and heat it, add 1 tsp cumin seeds, add 1 tsp mustard seeds and allow it to crackle.
Into it, add asafoetida, add fenugreek seeds, dried chillies, curry leaves, saute well.
Add the chopped onions, sliced tomatoes, drumstick pieces into it and mix well.
Add salt, red chilli powder, turmeric powder, mix and cook for about 2 minutes on sim flame.
Add 1 cup of water and cook the drumsticks for about five to ten minutes.
Add the mashed dal into the drumstick curry and mix.
Add tamarind extracted pulp into the sambar and stir well.
Add water as per requirement if the sambar is thick.
Add salt according to taste and add sambar powder.
Bring the sambar to a boil.
Serve hot with rice!!!