Dissolve kesar string in warm milk. Keep them aside in a stand mixer take heavy whipping cream.
Put mixer on low speed for few seconds then increase the speed and whip the cream till it gets stiff peak.
To check if cream is fully whipped take some cream in spoon and it should hold it’s shape and does not fall. It means cream is ready.
Now add saffron milk, half of the nuts and condensed milk and mix gently
Transfer the mixture in an air tight container and sprinkle rest half of the nuts and cover the ice cream with cling wrap.
Put the cover and freeze the ice cream for 8-10 hours. After 8-10 hours ice cream will be fully set. Scoop it and garnish it with some more fine chopped nuts.