Step 1: Wash the green mangoes and boil them in a large pot of water until they are soft and the skin starts to peel off.

Step 2: Once the mangoes are cooked, drain the water and let them cool down.

Step 3: Once the mangoes have cooled down, peel off the skin and remove the pulp from the seed.

Step 4: Add the mango pulp to a blender along with sugar, salt, roasted cumin powder, and mint leaves.

Step 5: Blend everything together until smooth.

Step 6: Strain the mixture through a fine mesh strainer to remove any fibrous or lumpy bits.

Step 7: Add 4-5 cups of water to the strained mixture and mix well.

Step 8: Serve over ice and garnish with some mint leaves.