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 Congress. Subsequently, Morarji Desai—a former deputy prime minister—became the first non-Congress prime minister of the country. The government of Prime Minister Desai was composed of groups with opposite ideologies, in which unity and coordination were difficult to maintain. Ultimately, after two and a half years as PM; on 28 July 1979, Morarji tendered his resignation to the president; and his government fell. Thereafter, Charan Singh—a deputy prime minister in Desai's cabinet—with outside, conditional support from Congress, proved a majority in Lok Sabha and took oath as prime minister. However, Congress pulled its support shortly after, and Singh had to resign;