dissolve the gelatine in 1/2 cup warm water,boil cream,milk in a heavy bottom pan stir continuously,add orange rind,sugar and vanilla essence ,cook for 5 to 7 minute on slow flame with string.
switch the flame add gelatine mix well,pour the mixture in short glasses or small plastic bowls, keep in fridge for 2 to 3 hours,
garnish with grapes and serve chilled.