In a heavy bottom pan, boil 500ml milk on medium flame.
Then add 2/3 cup sugar and mix well until sugar completely dissolves.
Now in another bowl add 2 tbsp custard powder and ¼ cup milk. Whisk it well so that there are no lumps in it.
Add the custard mixture and mix well.
Then add a pinch of orange food color (optional) and mix well.
Keep cooking until it becomes slightly thick and coasts the ladle. Switch off and set aside to cool.
In a bowl, add rasgulla by squeezing its sugar syrup. Add slightly warm custard mixture on rasgulla.
Refrigerate rasgulla and custard mixture for 30 minutes.
In a mixture jar, add 2 ripe mango pieces and grind them into a smooth paste. Keep it aside.
Now, in a bowl add 1 cup of fresh cream. Whisk the cream till it becomes fluffy.
Then add mango pulp and custard mixture into it. Mix everything with a whisker.
Add rasgulla, almond, and pistachio slits. Mix well.
Refrigerate mango delight for 1-2 hrs.
Serve mango delight with mango pieces and pistachio slits.