answers: 15 August 1947
context: given in 1927, and the new capital was inaugurated on 13 February 1931. New Delhi, also known as "Lutyens' Delhi", was officially declared as the capital of the Union of India after the country gained independence on 15 August 1947. During the partition of India, thousands of Hindu and Sikh refugees, mainly from West Punjab fled to Delhi, while many Muslim residents of the city migrated to Pakistan. Migration to Delhi from the rest of India continues (), contributing more to the rise of Delhi's population than the birth rate, which is declining. The States Reorganisation Act, 1956 and the </s> and Chief of Army of Adil Shah. Hem Chandra fought and won 22 battles in all against rebels and twice against Akbar's army in Agra and Delhi, without losing any. After defeating Akbar's army on 7 October 1556 at Tughlakabad fort area in Battle of Delhi (1556), Hemu acceded to Delhi throne and established Hindu Raj in North India for a brief period, and was bestowed with the title 'Vikramaditya', at his coronation in Purana Quila, Delhi. The third and greatest Mughal emperor, Akbar, moved the capital to Agra, resulting in a decline in the fortunes of Delhi. In the </s> is in the centre of northern India. The land for building the new city of Delhi was acquired under the Land Acquisition Act 1894. During the Delhi Durbar on 12 December 1911, George V, then Emperor of India, along with Queen Mary, his consort, made the announcement that the capital of the Raj was to be shifted from Calcutta to Delhi, while laying the foundation stone for the Viceroy's residence in the Coronation Park, Kingsway Camp. The foundation stone of New Delhi was laid by King George V and Queen Mary at the site of Delhi Durbar of 1911 at
question: which year delhi became the capital of india