Wash and put plums and tamarind in a large pot. Add water. Bring to a boil. Cook for 5 minute. Smash with pestle to open the skins.

Turn off heat. Strain through muslin cloth. Discard solids.

Now in plum tamarind sharbat add water, salt, black salt and sugar in a heavy bottom pan. Heat till all the sugar is dissolved. Let it come to a boil.

Turn off heat and let it rest.
You may bottle it now.

Serving: Mix one part syrup to 3 parts of water. Serve cold 😊