Principal Secretary to the Prime Minister of India Principal Secretary to the Prime Minister of India The Principal Secretary to the Prime Minister of India (PS to the PM; IAST: ) is the senior-most bureaucrat in, and the administrative head of, the Prime Minister's Office. The officeholder is generally a civil servant, commonly from the Indian Administrative Service and occasionally from the Indian Foreign Service. The post is considered one of the most influential in the Indian civil services, and some principal secretaries are considered more powerful and influential than senior government ministers. The Prime Minister's Secretariat (PMS)—headed by an officer of the rank of joint secretary to
Public service of the Republic of Ireland to An Post and Telecom Éireann respectively. Today there are approximately 37,523 people employed in the national civil service. The defence sector refers to the total number of personnel of the Irish Defence Forces, which consists of the Irish Army, Naval Service and Air Corps. Personnel numbers for each of the three services is as follows: State spending on defence totalled €895 million for 2016. The education sector represents the second largest sector of the Irish public service, with 96,432 employees working in primary, post-primary and third level institutes. A break-down of numbers is as follows: Public spending in 2016