Boil both dals together in a pressure cooker with water and some castor oil.

Clean,wash and chop greens and keep ready.

Keep a kadai with ghee or oil.

Add mustard to splutter,then add fenugreek.

Add hing, green and red chillies.

Now add greens and stir till it shrinks by adding needed salt.

Add tamarind water and boil for 2 minutes.

Now add boiled dal with water(adjust to sambar consistency by adding more water).

Adjust salt if necessary.

Let it boil for some time.

Then switch off and serve hot with rice.