Following picture shows paan leaves, fennel seeds, cardamoms, and pistachios. Method :
In the grinder take paan leaves, pistachio, fennel seeds, green cardamoms, and sugar.
Add half cup milk and make a fine paste. Add remaining 1½ cup milk and blend well. Taste and adjust the sugar. You can sieve the thandai milk to remove the fibres of fennel seeds. I like it withour removing the fibres, so choice is yours.