Take water in a saucepan and add cardamom,star anise and green tea leaves.put on stove and let it cook on medium flame.

When water reduces a little bit add pinch of soda and let it simmer till becomes almost half and oink foam appears on sides of pan.

Add in it the chilled water and fill upto the same level as before and start aeratiing it well with a ladle for about 8 to 10 minutes till water starts to boil n color becomes darker.

Boil the milk in another pan and add 1 cardamom.now add the prepared green tea mixture till desired color appears.simmer for a few minutes,strain into cups add chopped nuts salt n sugar and enjoy you winter evenings😋.