Prime minister Bahrain's prime minister, Sheikh Khalifah bin Sulman Al Khalifah has been in the post since 1970, making him the longest serving non-elected prime minister. The post of prime minister may be encountered both in constitutional monarchies (such as Belgium, Denmark, Japan, Luxembourg, the Netherlands, Norway, Malaysia, Morocco, Spain, Sweden, Thailand, Canada, Australia, New Zealand, and the United Kingdom), and in parliamentary republics in which the head of state is an elected official (such as Finland, the Czech Republic, France, Greece, Hungary, India, Indonesia (1945-1959), Ireland, Pakistan, Portugal, Montenegro, Croatia, Bulgaria, Romania, Serbia and Turkey (1923-2018)). See also "First Minister", "Premier",
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;