Peel the garlic & wash it nicely. Slice all the garlic & wash it again.
Separately boil water, add alum and garlic in it.
Boil continuously till the moment the flavour of garlic disappears & also change water in between. At last strain the garlic & squeeze the water nicely.
Boil Milk separately & reduce it by ¼, then add cardamom powder, saffron, sugar and strained & cooked garlic.
Finally check the sweetness & texture. Keep it in freezer & serve cold.