Take anon stick pan
Add condensed milk and milk
Stir for 2 minutes and then add dark chocolate chips
Stir till the chocolate is fully melt
Then add the marie biscuits and stir till the mixture leaves the sides and becomes a soft dough
Take modak mould and make tiny sweet chocolate modak
If the batter is unabl6to leave its sides then add more powdered biscuits
If the batter is too tough add some milk in it