Department of Border Management
Dealing with the management of borders, including coastal borders, strengthening of border guarding and creation of related infrastructure, border areas development, etc.
Department of Home
Dealing with the notification of assumption of office by the President and Vice-President, notification of appointment/resignation of the Prime Minister, Ministers, Governors, nomination to Rajya Sabha/Lok Sabha, Census of the population, registration of births and deaths, etc.
Department of Internal Security
Dealing with the Indian Police Service, Central Police Forces, internal security and law & order,insurgency, terrorism, Naxalism, activities of inimical foreign agencies, terrorist financing, rehabilitation, grant of visa and other immigration matters, security clearances,"Protection of Human Rights Act and also matters relating to National integration and Communal Harmony and Ayodhya", etc.
Department of Jammu, Kashmir and Ladakh Affairs
All matters within the Union Government’s jurisdiction under Part VIII of the Constitution and the Jammu and Kashmir Reorganisation Act, 2019, as applicable to the Union Territories of Jammu and Kashmir and Ladakh, except those specifically assigned to other Ministries or Departments. This encompasses all matters pertaining to the two Union Territories, including security-related issues, relief and rehabilitation of Kashmiri Migrants, and the delegation of powers to the Administrator/Lieutenant Governor under Article 239 of the Constitution of India. Formulation of regulations under Article 240 of the Constitution for the peace, progress, and good governance of the Union Territory of Ladakh. The Department is also responsible for review of implementation of major projects of economic importance by various Central Ministries as well as Departments of UTs of J&K and Ladakh.
Department of Official Language
Dealing with the implementation of the provisions of the Constitution relating to official languages and the provisions of the Official Languages Act, 1963.
Department of States
Dealing with Centre-State relations, Inter-State relations, administration of Union Territories, Freedom Fighters’ pension, Human rights, Prison Reforms, Police Reforms, etc.
These departments do not function in watertight compartments. They all function under the Union Home Secretary and are inter-linked. There is a designated Secretary for Department of Border Management, official language and Internal Security also.