 Abdur Rab Nishtar headed the Departments of Posts and Air and Ibrahim Ismail Chundrigar headed the Department of Commerce.The League nominated a Scheduled Caste Hindu politician, Jogendra Nath Mandal, to lead the Department of Law.Although until August 1947 British India remained under the sovereignty of the United Kingdom, the interim government proceeded to establish diplomatic relations with other countries, including the United States.