Cook Vermicelli: In a saucepan, add 2 cups of water and bring to a boil. Add colored vermicelli, mix well, and boil on medium flame for 6-8 minutes. Then strain and set aside.
Prepare Milk Sawaiyan: In another saucepan, add milk, sugar, cream, and cardamom powder. Whisk well and bring to a boil.
Combine Vermicelli and Nuts: Add the cooked vermicelli, chopped pistachios, and chopped almonds to the boiling milk mixture. Mix well and cook on medium flame for 1-2 minutes.
Chill Milk Sawaiyan: Let the mixture cool to room temperature, then refrigerate until chilled.
Soak Basil Seeds: In a jug, add basil seeds and 1 cup water. Mix well and let soak for 5 minutes.
Assemble Kulfa Falooda: In a serving plate, add the prepared milk sawaiyan, soaked basil seeds, rose syrup, yellow jelly cubes, green jelly cubes, and kulfa ice cream.
Garnish and Serve: Garnish with rose syrup, sliced pistachios, and chopped almonds. Serve immediately.