Coins of the Indian rupee rupee, 1/4 rupee, 2 anna, 1 anna, 1/2 anna & 1 pice coins, and are referred to as the anna series or pre-decimal coinage. Under the anna series, one rupee was divided into 16 annas or 64 pice, with each anna equal to 4 pice. In 1957, India shifted to the decimal system, though for a short period of time, both decimal and non-decimal coins were in circulation. To distinguish between the two pice coins in circulation, the coins minted between 1957 and 1964 were printed with the legend “Naya Paisa” (“New Paisa”). The denominations in circulation were 1, 2,
Indian rupee "athanni"; 50 naye paise equalled 8 old annas) and 1-rupee coins were nickel. In 1964, the word "naya(e)" was removed from all coins. Between 1957 and 1967, aluminium one-, two-, three-, five- and ten-paise coins were introduced. In 1968 nickel-brass 20-paise coins were introduced, and replaced by aluminium coins in 1982. Between 1972 and 1975, cupro-nickel replaced nickel in the 25- and 50-paise and the 1-rupee coins; in 1982, cupro-nickel two-rupee coins were introduced. In 1988 stainless steel 10-, 25- and 50-paise coins were introduced, followed by 1- and 5-rupee coins in 1992. Five-rupee coins, made from brass, are being