In a mixture jar, add paan leaves and gulkand. Grind it into paste. Keep it aside.
Now in a jar, add soaked fennel seeds, cardamom and some water. Grind it into a smooth paste.
In a pan, add sugar and water. Dissolve sugar and bring the mixture comes to a boil.
Then add paan-gulkand paste and fennel seeds and cardamom paste. mix well.
Cook mixture till it is slightly thick or decreases in quantity.
Add lemon juice and green food color (optional). Mix well.
Store paan 0sharbat or syrup in a glass bottle.