Soak tamarind in hot water for 30 mins and extract the juice. Make it 3 cups by adding more water.
Boil 2 inch cut drumstick in a cup of water for 4-5 mins.
Meanwhile, heat a kadai, temper with the items given under 'To temper'.
Add finely chopped garlic (I used small variety) and onion (small onion/ shallots).
Fry till golden in colour here and there.
Add it to the boiling drumstick along with the tamarind extract.
Sambar powder, turmeric and salt goes in. Boil for 4 mins furthermore.
Add mango cut into 6 as shown in the picture here.
Boil for 4 mins or until the pulp turns soft.
Pour rice flour dissolved in a tablespoon of water to the boiling kuzhambu.
Add jaggery and mix well. Continue boiling for 2 mins.
Switch off the stove, add few torn curry leaves.