In a wok heat ghee and add pumpkin and saute for 5 mins till they look done.
Add milk and keep mixing as it boils and reduces and then add condensed milk.
Take a tbsp of hot milk and add saffron and then mix this in the wok with the boiling kheer.
Once the milk has reduced add cardamon powder and pour it in a serving dish.
Garnish with nuts and raisins and refrigerate it. Serve it chilled.