Fly Jet Airways, and you are fed with this drink non-stop. When you board the plane, they give you one, or two. During meals, they give you another one. Before landing, they offer you one, or two.
The weather being hot and dry, I guess lime juice is the best. It re-vitalises your body and gives you the right stuff to stay fresh.
Ingredients all there. It tastes pretty good. Ahhhh ... the Elixir of Life for hot Indian summers, literally.