Department of Atomic Energy Department of Space Nuclear Command Authority The prime minister represents the country in various delegations, high level meetings and international organisations that require the attendance of the highest government office, and also addresses to the nation on various issues of national or other importance. Per Article 78 of the Constitution of India, the union cabinet and the president officially communicate through the prime minister. Otherwise, the Constitution recognises the prime minister as a member of the union cabinet only outside the sphere of union cabinet. Administrative and appointment powers The prime minister recommends to the president—among others—names for the appointment of: Chief Election Commissioner of India (CEC) and other Election Commissioners of India (ECs) Comptroller and Auditor General of India (C&AG) Chairperson and members of the Union Public Service Commission (UPSC) Chief Information Commissioner of India (CIC) and Information Commissioners of India Chairperson and members of the finance commission (FC) Attorney General of India (AG) and Solicitor General of India (SG) As the chairperson of Appointments Committee of the Cabinet (ACC), the prime minister—on the non-binding advice of the Cabinet Secretary of India led-Senior Selection Board (SSB)—decides the postings of top civil servants, such as, secretaries, additional secretaries and joint secretaries in the government of India. Further, in the same capacity, the PM decides the assignments of top military personnel such as the Chief of the Army Staff, Chief of the Air Staff, Chief of the Naval Staff and commanders of operational and training commands. In addition, the ACC also decides the posting of Indian Police Service officers—the All India Service for policing, which staffs most of the higher level law enforcement positions at federal and state level—in the government of India. Also, as the Minister of Personnel, Public Grievances and Pensions, the PM also exercises control over the Indian Administrative Service (IAS), the country's premier civil service, which staffs most of the senior civil service positions; the Public Enterprises Selection Board (PESB); and the Central Bureau of Investigation (CBI), except for the selection of its director, who is chosen by a committee of: (a) the prime minister, as chairperson; (b) the leader of the opposition in Lok Sabha; and (c) the chief justice. Unlike most other countries, the prime minister does not have much influence over the selection of judges, that is done by a collegium of judges consisting of the Chief Justice of India,