when was the decimal currency system started for use in india
1 April 1957
title: Imperial units text: in stages between 1955 and 1962. The metric system in weights and measures was adopted by the Indian Parliament in December 1956 with the "Standards of Weights and Measures Act", which took effect beginning 1 October 1958. The "Indian Coinage Act" was passed in 1955 by the Government of India to introduce decimal coinage in the country. The new system of coins became legal tender on April 1957, where the rupee consists of 100 paise. For the next five years, both the previous and new systems were legal. In April 1962, all other systems were banned. This process of metrication title: Decimalisation text: costing eight cents. To help avoid this, the Decimal Currency Board recommended on inter-currency transactions (e.g., paying 4c with £sd coins, or paying 4d with decimal coins) to pay to the next highest five cents or sixpence to get the correct change. Sri Lanka (known as Ceylon at the time) decimalised in 1869. King Chulalongkorn decimalised the Thai currency in 1897. India changed from the rupee, anna, pie system to decimal currency on 1 April 1957. Yemen Arab Republic introduced coinage system of 1 North Yemeni rial=100 fils in 1974, to replace former system of 1 rial = 40 buqsha title: Indian mathematics text: that the decimal place-value system "in use today" was first recorded in India, then transmitted to the Islamic world, and eventually to Europe. The Syrian bishop Severus Sebokht wrote in the mid-7th century CE about the "nine signs" of the Indians for expressing numbers. However, how, when, and where the first decimal place value system was invented is not so clear. The earliest extant script used in India was the script used in the Gandhara culture of the north-west. It is thought to be of Aramaic origin and it was in use from the 4th century BCE to the 4th title: Metrication in India text: Metrication in India Metrication or metrification is the process of converting to the metric system based on the International System of Units (SI). India's conversion to the metric system occurred in stages between 1955 and 1962. The metric system in weights and measures was adopted by the Indian Parliament in December 1956 with the "Standards of Weights and Measures Act", which took effect beginning 1 October 1958. The "Indian Coinage Act" was passed in 1955 by the Government of India to introduce decimal coinage in the country. The new system of coins became legal tender on April 1957, where the title: History of the rupee text: of these denominations in the 1990s. Since its Independence in 1947, India has faced two major financial crises and two consequent devaluations of the rupee: In 1966 and 1991. A summary of the decimalisation of the Rupee: The price of 16 Annas is 05 rupee in 1947. The demand for decimalisation existed for over a century. Sri Lanka decimalised its rupee in 1869. The "Indian Coinage Act" was amended in September 1955 for the adoption of a decimal system for coinage. The Act came into force with effect from 1 April 1957. The rupee remained unchanged in value and nomenclature.