Grind the above mentioned ingredients to a fine paste.
Heat Oil in a kadai, add Mustard seeds, Hing, Onion & Curry leaves. Fry for 2 mins.
Add Pumpkin pieces with 1 cup Water. Boil till soft.
Add Tamarind pulp, Jaggery & ground paste. Boil for 3-4 mins.
Add Tomato & Salt. Boil for 30 secs. Remove fro heat, cover & keep aside for 5 mins. Serve hot with steamed Rice.