In a saucepan, bring the milk to a boil, keep stirring in between to prevent it from burning at the bottom, Once it comes to boil, reduce the heat and let it simmer for about 10 minutes. Remove the saucepan from the heat and set aside till it reaches room temperature. Refrigerate until further use.
Prepare the jelly as per packet instructions. Let is set in the refrigerator until firm, about 4 hours.
Soak 1/2 tablespoon of sweet basil seeds in about 1/2 cup of water, stir it well, and set aside for 30 minutes, Once they swell, drain the excess water in a strainer and set aside.
To prepare the falooda sev: Heat 1/2 cup water in a saucepan. Let it come to a boil. Once it has boiled, add the falooda sev, and let it cook for about 5 minutes. After 5 minutes drain the falooda sev using a strainer and transfer to a bowl of cold water, to stop the cooking process further. You can cut the cooked falooda sev in smaller pieces using kitchen scissors.
To assemble the faluda: Take a tall glass, add about 2 tablespoons of the sweet basil seeds, 2 tablespoons of falooda sev, 2 tablespoons of rose syrup, 1/4 cup of jelly cubes, pour the chilled and thickened milk, top with vanilla ice cream and some more jelly cubes. You can garnish with nuts. Enjoy this refreshing drink :)