Line a colander with cheese cloth and place that in a large bowl, Pour in yogurt and place this whole setup in fridge and let it drain overnight. The next day you will get thick set hung yogurt.
Take saffron in a bowl and pour over 1 tblspn of warm milk. Leave this to stand for 5 mins.
Take hung yogurt in a bowl and add in sugar, cardamom powder, saffron milk, nuts and pomegranate. Mix this well.
Spoon this into individual serving bowl. Put this in fridge for a couple of hours and enjoy cold.