make a dough with rice flour, 1 pinch salt.use hot water to make dough. just make small balls using the dough.keep it is aside. take a pan and add about 2 1/2 water.bring it 2 boil. add jaggery in boiling water. wait till jaggery compleatly dissolve in it. after that add small balls made earlier.stir it as and when required. if neccesory add water. once balls r cokked, add the coconut milk and milk. switch off now add codamom powder. serve it .