On 13 September 1783, the board of directors of the East India Company passed a resolution at Fort William, Calcutta (now Kolkata), to create a department, which could help "relieve the pressure" on the Warren Hastings administration in conducting its "secret and political business."Although established by the Company, the Indian Foreign Department conducted business with foreign European powers.
From the very beginning, a distinction was maintained between the foreign and political functions of the Foreign Department; relations with all "Asiatic powers" (including native princely states) were treated as political, while relations with European powers were treated as foreign.[3]
In 1843, the Governor-General of India, Edward Law, 1st Earl of Ellenborough carried out administrative reforms, organizing the Secretariat of the Government into four departments: Foreign, Home, Finance, and Military. The Foreign Department Secretary was entrusted with the "conduct of all correspondence belonging to the external and internal diplomatic relations of the government