Soak cashews, almonds, poppy seeds, melon seeds, pistachios for an hour. Remove the skin of almonds & pistachios.
Grind green cardamoms, dried rose petals, cinnamon and black peppercorns to a fine powder.
Drain the water and grind it with little milk to make a paste.
Boil milk in a pan. Add saffron and mix. When the milk starts to boil, add sugar and simmer till the sugar melts.
Add spice powder in simmering milk and mix well.
Add the cashew-almond paste and simmer for few more minutes.
Remove from flame and let it cool down completely. Refrigerate the milk for few hours and serve.