Add 1 Cup of Water in a pan, bring it to boil add 2.5 tbsp jaggery , pinch of salt and ghee to it.
Once it boils well add Rice flour in batches.
You can add 1/4 cup condensed milk to enhance the taste. I have shared old pictures (made with regular sugar) here for the step by step understanding. They may break while cooking when you keep on disturb with spatula, do chcek the video how i handled. The other reason for kozhukattai balls dissolving in water or milk mixture is because of more moisture in the dough.