Wash and chop methi and palak leaves finely.
Boil together with dal, chopped tomato, slit green chillies, salt and turmeric in a pressure cooker.
Let the steam escape.
Soak tamarind in warm water.
Heat oil in a pan and add mustard jeera seeds to it.
After they turn brown and start spluttering add the urad dal, channa dal, curry leaves and dry red chillies.
Fry for 2-3 minutes till the dal browns a little.
Add onions to the same and fry them till golden brown.
Add all dry masalas, fry for another minute.
Add the dal, mash a bit along with the tamarind water.
Let it simmer for about 5 minutes or so.
Serve hot with rotis or rice