Boil the milk first in the non stick pan.
Lower the flame and boil the milk until it thickens.
Keep stirring it after few minutes.
When the cream (malai) shows in the milk. Keep aside in the corners of the pan with the spoon. And stir the milk.
Keep aside the cream (malai) in the corners until the milk reduced to half.
Add few pinches of cardamom seeds powder for flavour.
Rabri is ready for the stuffed mango kulfi.
If you want to have rabri for sweet dish. Then keep stirring the milk until it reduced to 30%. You will see the grains in the milk and cream on it.
Rabri for sweet dish is ready. Chill it and serve it.