First take jelly powder and put 2 cup hot water in it ,keep stiring until Kelly powder dissolves. Let it cool down for 3-4 minutes .now pour this mix on heart shape moulds .keep it into refrigerator for about 2 hours.
Now for mousse - first take a bowl ,add agar agar powder and about half cup hot water .mix both ingredients well. Keep this aside .
Take a pot ,add milk ,bring it to boil ,stirring continusely .now add desolved agar agar powder . Mix it well ,add rose syrup and sugar ,stir continusely . Cook for 2-3 minutes . Turn off the gas .let it cool down .
Meanwhile in bowl take whipping cream and beat it until soft peak . Now add rose milk mix into whipped cream . Fold it gentaly .
Now pour this mix into individual glasses . Keep it into refrigerator for about 4 hours .
For serving - take out jelly and mousse from fridege .demould the heart shape jelly . Put it on top of the rose mousse . Serve chilled .