Firstly, in a large kadai boil 2-litre milk stirring occasionally.
once the milk comes to a boil, add 2 tbsp chopped cashew, almonds and pistachios.
stir well making sure milk doesn't stick to the bottom.

Boil the milk on low till milk reduces.
keep stirring in between to avoid sticking till the milk reduces to quarter.
now add sugar and saffron and mix well.

Boil for another 5 minutes or till the milk thickens completely.
now add cardamom powder and mix well.
finally, serve basundi chilled.