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
Prime Minister of India or AIC001), and maintained by the Indian Air Force—are used. The Special Protection Group (SPG) is charged with protecting the sitting prime minister and his/her family. The Prime Minister's Office (PMO) acts as the principal workplace of the prime minister. The office is located at South Block, and is a 20-room complex, and has the Cabinet Secretariat, the Ministry of Defence and the Ministry of External Affairs adjacent to it. The office is headed by the Principal Secretary to the Prime Minister of India, generally a former civil servant, mostly from the Indian Administrative Service (IAS) and rarely from the