Rupee << roo PEE >> is the chief monetary unit of India and the basic unit in India’s decimal currency system. It is divided into 100 smaller units called paise. Paise circulate as nickel, copper-nickel, or bronze coins. Ten million rupees, or 100 lacs, are called a crore. The monetary systems of Mauritius, Nepal, Pakistan, and Sri Lanka are also based on rupees. But all of these rupees have different monetary values.