Wash and soak them for 20 mins. Drain the water and add the dal in a deep pan along with 4cups of water, salt, green chilly ginger chopped and turmeric
Boil the dal till dal is tender and gets mashy. remove and keep aside.
For the tadka heat a pan and add ghee, Hing, sarso, methi Dana, Jeera, Dry red chilli and curry leaves saute for a minute.
Add peanuts and again saute for minute now add tomatoes into the tadka and cook till tomatoes are soft or cooked well.
Add salt, Red chilli Powder, Haldi and saute.
Now add tamarind water and jaggery into this tadka and saute for a minute.
Add cooked Dal and adjust the consistency of water.
Garnish with coriander leaves and a dash of lemon juice if required.