In a vessel, heat water and let it come to a boil. Once it starts boiling, switch off the gas and add tea leaves.
Let the tea leaves steep in for 4-5 minutes. It will change the color and it will become your chai ka paani, basically.
Strain this tea water and once cold add lemon juice and sugar to it. {If you are using real orange juice, then add sugar accordingly as it already has sugar}. This mixture can be stored in a bottle and can be used as and when required.
In a mixing tumbler, take orange juice, add tea mixture as required and lots of crushed ice cubes.
Stir it well. Taste it and adjust the ratio according to your taste.
Recipe Notes
Freshly squeezed orange juice works great as well. You just have to add sugar accordingly. If the oranges are sour, add more or else use it just like that.
Like this, you can make lemon iced tea, blueberry and try with different variants.