1) The document discusses the history of currency in India from ancient times to modern times. It describes the evolution of currency from commodity money like gold and silver in ancient texts to early coinage systems in places like Indus Valley civilization and Mahajanapadas.
2) Paper currency was first developed in China in the form of flying money during the Tang dynasty. Later, the earliest banknotes emerged in Europe issued by the Swedish central bank in 1661.
3) In India, the rupee originated from the silver coin rupyaka and was the standard currency during Mughal rule. After British East India company took over administration, the coinage system evolved further with rupees and mohurs