Soak small lemon size tamarind, extract and keep it ready.
Heat oil and temper with mustard, urad dal, fenugreek, vadagam, hing and curry leaves.
Then add sambar powder and give a quick saute.
Then add small onions and chopped garlic and saute for a min.
Next, add the cubed yellow pumpkin.
Add the tamarind extract
Then add turmeric powder and salt.
Allow it to boil for 10-15 minutes till pumpkin is cooked and gravy is thick.
Finally, add the powdered jaggery, mix and serve.
Parangikai kuzhambu is ready.