Make a paste of the spices in a grinder.
Boil the mangoes without peeling in a cooker.
Peel off the skins of mangoes.
Put some cold water over the peeled mangoes.
Scoop out the pulp from them by using a spoon.
Remove the seeds and keep the pulp in the cold water.
Put the pulp mixture in a grinder and grind to a smooth texture.
Add the remaining cold water salt, black salt, cumin powder.
Stir well.
You can put some ice cubes to it.
Serve in a glass garnished with mint leaves.