After the milk thickens and looks like a paste consistancy then add some orange juice to it. Don't add it before when milk is thin or else you will end curdling milk.

Now take 1 cup tapioca (sabudana) and wash it. Put it in water and add some sugar for taste and let it cook for 10-15mins until it's transparent in colour. Strain the tapioca.

Now take a bowl add 4 glasses milk to it. Add 1/4 cup orange juice, 1/2 cup condensed milk and 1/2 chilled water.

Now add cubes of pudding and boiled tapioca(sabudana). Mix it well.