Answer: Option [D]
In 1957, the decimal system of currency was introduced in India. The value of the pound itself was unchanged by decimalisation.) The first decimal coins – the five pence (5p) and ten pence (10p) — were introduced in 1968 in the run-up to decimalisation in order to familiarise the public with the new system. The “decimal coins” are the currently circulating coins in India.