Child Marriage Restraint Act 1929, passed on 28 September 1929 in the British India Legislature of India, fixed the age of marriage for girls at 14 years and boys at 18 years which was later amended to 18 for girls and 21 for boys. It is popularly known as the Sarda Act, after its sponsor Harbilas Sarda. It came into effect six months later on April 1, 1930 and it applies to all of British India, not just to Hindus. It was a result of social reform movement in India. The legislation was passed by the British Indian Government.