Wash moong dal and add water till the dal immerse.
Add 2 spoons of oil to dal, this would helps in avoiding of spill over the dal.
Pressure cook moong dal for 3 whistles.
Once the pressure cools down, mash the dal and keep it aside.
Wash raw tamarind and add water.
Cook them till they are soft and mushy.
Allow them to cool to handle.
Once they are cool enough to handle, squeeze and extract juice out of them.
In a thick bottom pan add tamarind juice, salt to taste and turmeric powder.
Mix them well and add mashed dal too.
Allow this to cook for 5 minutes, stirring occasionally.
Add slit green chillis and cumin seeds. Mix well and allow till it reaches rolling boiling.
In another pan heat oil, add mustard seeds, red chillis, curry leaves and hing or asafoetida.
When they start spluttering add the tadka to the pulusu and allow it to boil for another 5 to 10 minutes.
Serve Chintakaya pesara pappu pulusu with hot piping rice and a spoon of ghee.