Reserve some milk in a bowk and Boil remaining milk in a large vessel.
Add custard powder in reserved milk and mix it well
When milk starts boiling add sugar, custard powder and let it simmer on low flame
Add cream and keep stirring till you get a dosa batter consistensy.
Let it cool and refrigerate for 15 minutes. Blend it again and refrigerate for 15 minutes. Repeat this step twice to avoid ice formation and get a smooth texture.
Set it in mini glasses and deciorate with jellies. Serve chilled.
You can use chocolate syrup to garnish.