Heat the milk in a pan, when milk comes to boil then remove 2 tbsp milk in one small bowl. Soak kesar threads keep a side then in a milk pan add 2 tbsp sugar,milk powder, cornflour mix it well. Cook for 10-12 min on slow flame, continue stirring and check the milk while making this rabdi. In the end add kesar milk into rabdi. Rabdi is ready now