Deputy Prime Minister of India command is necessary. The first Deputy Prime Minister of India was Vallabhbhai Patel, who was also home minister in Jawaharlal Nehru's cabinet. The office has since been only intermittently occupied. The seventh and last deputy prime minister was L. K. Advani, who took on the role in addition to his home ministership from 2002 to 2004 in Atal Bihari Vajpayee's government. The current government does not have a Deputy Prime Minister. On multiple occasions, proposals have arisen to make the post permanent, but without result. The same goes for the post of deputy chief minister at the state level. Keys
Principal Secretary to the Prime Minister of India a retired 1972 batch Gujarat cadre Indian Administrative Service (IAS) officer, was appointed by the Appointments Committee of the Cabinet to serve as newly-elected Prime Minister Narendra Modi's additional principal secretary. The status of an additional principal secretary—akin to the principal secretary—is generally considered equivalent to the Cabinet Secretary, the Government of India's topmost civil servant. 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,