 Department of Internal Security, dealing with police, law and order and rehabilitation.Department of Jammu, Kashmir and Ladakh Affairs, dealing with the constitutional provisions in respect of the Union Territories Jammu, Kashmir and Ladakh and all other matters relating to the UTs excluding those with which the Ministry of External Affairs is concerned.Dealing with the notification of assumption of office by the President and Vice-President, notification of appointment of the Prime Minister and other Ministers, etc.