Heat ghee in a pan on medium heat.
Add sevai and roast for 2 minutes until golden brown.
Add almonds and cashews, and roast for 1 minute until crispy.
Add raisins and roast for another minute.
Pour in the milk, mix well, and bring to a boil.
Add sugar to taste, reduce the heat to low, and let it simmer until the sugar dissolves.
While the kheer is simmering, mash the cooked rice with a spoon. You can also blend it in a mixer for a smoother consistency.
Add a little milk to the mashed rice and mix well.
Add the rice mixture to the simmering kheer and mix well.
Increase the heat to medium and bring the kheer to a boil.
Add cardamom and nutmeg powder and mix.
Garnish with chopped almonds, cashews, and pistachios.
Simmer on medium heat for 5-7 minutes until the kheer thickens.
Serve hot or chilled.