The correct answer is Canning. The Hindu Widow Remarriage Act 1856 legalized the remarriage of Hindu widows on 16th July 1856. The Act was enacted on 26th July 1856. At the time of implementation of this Widow Remarriage Act 1856; the Governor-General of India was Lord Canning. The Act was drafted by Lord Dalhousie. Ishwar Chandra Vidyasagar played a major role in the establishment of the act. Key Features of the Hindu Widow Remarriage Act 1856:The act provided legal safeguards to men who married widows. The Hindu Widows' Remarriage Act of 1856 provided legal safeguards against the loss of certain forms of inheritance for remarrying a Hindu widow. The widow was authorized to forfeit any inheritance that she may have obtained from her deceased husband. The first widow remarriage that took place after the law was enforced took place on 7th December 1856 in north Calcutta. Additional InformationGovernor-GeneralTimelineDescriptionHardinge1844 - 1848He was the GG during the First Anglo-Sikh War (1845-46) and the Treaty of Lahore (1846). He started social reforms like the abolition of female infanticide. Auckland1836 - 1842He succeeded the acting GG Lord Metcalfe as the GG of Bengal. The first Afghan War (1838 - 42) took place during his tenure. Canning1856 - 1862Lord Canning served as the first Viceroy of India. Some of his famous works include -introduction of the Code of Criminal Procedure, the enactment of the Indian High Courts Act, the Indian Penal Code (1858), the Bengal Rent Act (1859), the introduction of Income-tax on an experimental basis etc. Metcalfe1835-1836He succeeded Lord William Bentinck as the Governor-General of Bengal. He also served as the Governor of Agra from 1834 to 1835.