Take a pan and boil it with tea leaves and sugar. Allow it to cool by keeping it in fridge.

In a glass put ice cubes and squeeze half lemon in it. Also add pudina leaves and pour the above made tea water.

You can also add extra water as per your need. Finally add mint leaves and put half lemon to the glass for decoration.

After when you add tea water do not boil it much to avoid sour taste.