Take 1 ½ cup of water in a cooking pan.
Add 1 packet jelly in it. Mix it and take it out in a dish. Set it to cool in a room temperature. Similarly, make green jelly. Freeze the jellies.
Once they are set cut them in to small pieces. To prepare the custard, mix in 1 cup custard in one cup cold milk.
Now take 1 liter milk in the pan and heat it. Add in sugar in and cook it till the sugar dissolves then add one cup cream and mix it.
Take it out of the flame and set it to cool. Now chop 2 packet biscuits in a chopper, mix butter with biscuits and spread it in the cake pan.
Put the custard on the biscuit crust. Add on the jelly cubes from the top. Sprinkle dry fruits from the top. Freeze it till the cake is all set.
Serve it cold.