Prime Minister of India appointed as deputy prime minister. The post is considered to be the senior most in the cabinet after the prime minister and represents the government in his/her absence. Generally, deputy prime ministers have been appointed to strengthen the coalition governments. The first holder of this post was Vallabhbhai Patel, who was also the home minister in Jawaharlal Nehru's cabinet. Prime Minister of India The Prime Minister of India is the leader of the executive of the Government of India. The prime minister is also the chief adviser to the President of India and head of the Council of Ministers. They
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