Grind the coconut and extract thick milk.
Next add enough water to make a thinner second milk.
Set them aside. Or refrigerate.
Peel one mango, cube the flesh and add the peels to the second milk.
Set the cubes aside or refrigerate until serving.
Peel the second mango, add the peels to the thin milk and add the whole mango to the thicker milk. Add the seed of the first mango to the thick milk.
use your hand and knead the fruit into the milk. The milk will become thicker as you knead.
Do the same way with the peels and the thin milk to extract as much flavour as possible.
Now filter the thin milk, discard the peels and add ithe milk to the bowl with the mangoes and thick milk.
Add jaggery and cardamom powder and mix well.
Finally add the cubed mangoes and serve it immediately.