The name redBus has a funny history. Its founders were certain of onething when they wanted to name their venture: it had to do something with a colour. "Then marketing becomes easier," says Phanindra Sama, chief executive officer, redBus.in, and one of the three founders. They finally decided on red, because the word has just three letters.redBus, India’s first organised and online bus ticket booking service, was the only player of its kind in the world when it launched in …