In a small mixing bowl, add custard powder along with cold milk and mix without any lumps and keep aside.
Take a saucepan, add the milk and bring to boil on low- medium heat.
Once it starts boiling add the custard mixture and stir continuously to make lump-free.
Add the sugar and stir.
Boil the milk on low flame for 5-6 minutes or until it thickens.
Transfer the custard into a bowl.
Allow it to cool completely.
Cover and keep the custard in the fridge for at least 2 hours.
In meanwhile chop the fruits into small pieces and keep in the fridge until you are ready to serve.