<Li> During the British Raj, until 1911, Calcutta was the capital of India . </Li> <Li> By the latter half of the 19th century Shimla had become the summer capital . </Li> <Li> King George V proclaimed the transfer of the capital from Calcutta to Delhi at the climax of the 1911 Imperial Durbar on December 12, 1911 . The buildings housing the Viceroy, government and parliament were inaugurated in early 1931 . </Li>

When did delhi become capital of british india