In a bowl, add 1 lemon size tamarind and 1 cup of slightly hot water. cover and rest for 20 minutes.
Now tamarind becomes soft, squeeze its pulp and keep it aside.
Then in a mixture jar, add mint leaves, coriander leaves, green chilli, ginger, tamarind pulp, sugar, cumin powder, blacks salt, jaljeera powder and slightly cold water. Grind into a paste.
Take out the paste into mixing bowl, add 4 cups of water, salt and lemon juice and mix well.
Refrigerate water for 2 hours.
Sieve water and serve mint coriander water with fried boondis.