Here are some interesting fact about INR. I have found from Wikipedia...For more information read on Wikipedia. ================================================
India has been one of the earliest issuers of coins in the world (circa 6th Century BC). The origin of the word "rupee" is found in the word r%u016Bp or r%u016Bp%u0101, which means "silver" in many Indo-Aryan languages such as Hindi. The Sanskrit word rupyakam (Devnagari:%u0930%u0942%u092A%u094D%u092F%u0915%u092E%u094D) means coin of silver. The derivative word R%u016Bpaya was used to denote the coin introduced by Sher Shah Suri during his reign from 1540 to 1545 CE. The original R%u016Bpaya was a silver coin weighing 175 grains troy (about 11.34 grams) [1]. The coin has been used since then, even during the times of British India. Formerly the rupee was divided into 16 annas, 64 paise, or 192 pies. Decimalisation occurred in Ceylon (Sri Lanka) in 1872, India in 1957 and in Pakistan in 1961.
Among the earliest issues of paper rupees were those by the Bank of Hindostan (1770-1832), the General Bank of Bengal and Bihar (1773-75, established by Warren Hastings), the Bengal Bank (1784-91), amongst others.
Historically, the rupee was a silver based currency. This had severe consequences in the nineteenth century, when the strongest economies in the world were on the gold standard. The discovery of vast quantities of silver in the U.S. and various European colonies resulted in a decline in the relative value of si
