First,wash and soak the peas overnight.
Next day,in the pressure cooker,add oil.
When its hot,add mustard seeds,cumin seeds,asafoetida.
When it splutters,add onion and tomato.
Add salt and all powders mentioned.
Add tamarind pulp and jaggery.
Add little water and pressure cook for 10- 15 minutes on medium flame or till done.
For serving,in a bowl,add the vatana usal,add chopped onion,tomato,lots of sev/ganthiya and cilantro.