Wash and peel the litchi. Cut them into small pieces.
In a small bowl, add cornflour and little water and make slurry.
Add the chopped lychees in a blender and make puree.
Heat a sauce pan and add milk.
When the milk is about to start boiling, add the lychee puree and stir.
Add sugar and mix well. Let it start boiling.
Add cornflour slurry and mix well.
Cook till the pudding thickens.
Switch off the gas.
Add some litchi pieces in a serving bowl and pour the pudding in it.
Cool and refrigerate for 5-6 hours or overnight.
While serving, invert the pudding on a serving plate.
Garnish with chopped litchi pieces and mint leaf.
Serve cold.