Squeeze orange juice from the oranges and keep aside.
Boil water in a saucepan.
Add sugar and tea leaves into the boiling water.
Boil for 2 minutes and switch off the gas and cover the pan with a lid for couple of minutes.
Strain the tea decoction in a pitcher and allow to cool it.
Now add the orange juice into the pitcher and keep it in the refrigerator for at least 1 hour.
Take two glasses and add ice cubes into them.
Now pour the cold orange tea into the glasses.
Add orange slice and mint sprig to each glass and serve immediately.
