The Indian Rupee (₹) : The (₹) Rupee is one of the oldest currencies in the world, with origins tracing back to the 6th century BCE. Before introducing the symbol in 2010, it was common to use Rs or Re when referring to rupees. The symbol was chosen after a contest between Indian citizens. The symbol has meaning imbued within it. For instance, the parallel lines at the top are a reference to the tricolor Indian flag. At the same time, it is designed to fit right alongside its famous brothers, easy to draw and understand like the dollar and euro signs.