Preheat oven to 150C.
Run the biscuits through food processor to make coarse crumbs.
Add melted butter and mix well.
Place liners in the cupcake moulds.
Divide the biscuit base mix between the twelve liners and press them well with a spoon to make a compact base.
In another bowl, cream together cream cheese and cardamom powder.
Add the syrup and mix well.
Finally ad condensed milk and whip until all the ingredients come together.
Divide the mix between the 12 moulds.
Place one large gulab jamun at the centre of each mould and top with rose petals and pistachios.
Pour two cups of water in a deep tray, place your muffin tin on it.
Bake it for 30 minutes at 150C.
Switch off oven, slightly open the door and let the cheesecake come to room temperature.
Cover with cling film and refrigerate for two hours.
Serve them after two hours.