Heat ghee in a small steel tope.
Add vermicelli (Sevai) and roast for 1-2 minutes on medium heat.
Add cashews, almonds, and melon seeds and roast for another 1-2 minutes.
Add milk and mix well.
Bring the mixture to a boil.
Blend the mango to make a paste.
Add sugar to the boiling milk mixture.
Add cardamom and nutmeg powder.
Simmer for 2-3 minutes.
Add chopped cashews, almonds, and pistachios.
Let the mixture cool down completely.
Add the mango pulp and mix well.
Garnish with chopped nuts.
Refrigerate or cool before serving.