Roughly grind the whole spices- fennel seeds, black and green cardamoms, black pepper, clove.Keep aside.
In a pan add water. Add cinnamon stick and star anise.Heat.
Add the ground spices, and bring to a boil.Cover and let simmer for 1-2 minutes.
Add jaggery, and stir well so that it is dissolved completely.Add the loose tea, and bring to boil.
Add milk, and let it boil.
Turn off heat, and let it sit for a minute.Pour hot, into glasses/cups and serve hot with a snack of your choice.