Who had issued an order dividing the province of Bengal into two parts i.e. Eastern Bengal and Assam?

The correct answer is Lord Curzon . On 20 July 1905 , Lord Curzon issued an order dividing the province of Bengal into two parts i.e. Eastern Bengal and Assam . The Indian National Congress and the nationalists of Bengal firmly opposed the partition. The Anti-Partition Movement was initiated on 7 August 1905 . On that day, a massive demonstration against the partition was organized in the Town Hall in Calcutta . Important Points Lord Wellesley Lord Wellesley (as Governor-General) came to India in 1798 at a time when the British were locked in a life and death struggle with France all over the world. The doctrine of subsidiary alliance was introduced by Lord Wellesley. Under the subsidiary alliance system, the ruler of the allying Indian State was compelled to accept the permanent stationing of a British force within his territory and to pay a subsidy for its maintenance. Lord Wellesley signed his first Subsidiary Treaty with the Nizam of Hyderabad in 1798. Lord Hastings Marquess of Hastings (Lord Hastings) was appointed Governor-General of India on November 11, 1812. He won two wars namely the Gurkha War (1814–1816) and the Maratha War (1818). Lord William Bentinck Lord William Bentinck served as Governor-General of India between 1828 to 1835. On December 4, 1829, Governor-General of Bengal, Sir William Bentinck brought out the Sati Regulation Act.