Pressure cook chamadumpalu for 3 whistles.
Once the pressure goes off, peel the skin of chamadumpalu and keep aside.
Soak tamarind for half an hour.
Extract juice and keep aside.
Slice onions and slit green chillis.
In a thick bottom pan, heat oil.
Add mustard seeds, cumin seeds and red chillis.
Once they start spluttering add slit green chillis.
Fry them for a minute and add curry leaves.
Add onions and sauté them till turn translucent.
Add salt and turmeric powder. Mix them well.
Add tamarind juice and 1/2 cup of water.
Combine them well and let the onions cook well.
As the onions cooked well, add the boiled and peeled chamadumpalu too.
Add red chilli powder and jaggery. Let the flavors sink with the vegetables.
Allow the pulusu to come to rolling boiling.
Make slurry of rice flour and water.
Add the slurry to the above boiling pulusu and let it boil for another 2 minutes.
Serve chamadumpala pulusu with hot piping rice and a dollop of ghee.