Prime Minister of Thailand Rajanubhab took over this role. In fact, the office most considered the precursor of that of the prime minister was the ancient office of "Samuha Nayok" (สมุหนายก), which was run by an "Akkhra Maha Senabodi" (อัครมหาเสนาบดี) or "chief minister in charge of civilian affairs". The first Prime Minister of Siam was Phraya Manopakorn Nititada, a judge. The title of the office was changed from "Prime Minister "of Siam"" to "Prime Minister "of Thailand"" in 1945 and then permanently with the renaming of Siam to Thailand in 1949. For most of its existence the office has been occupied by Army leaders;
Prime Minister of India not allocated to anyone in the cabinet but the prime minister themself. The prime minister is usually always in charge/head of: The prime minister represents the country in various delegations, high level meetings and international organisations that require the attendance of the highest government office, and also addresses to the nation on various issues of national or other importance. Per of the constitution, the official communication between the union cabinet and the president are through the prime minister. Other wise constitution recognises the prime minister as a member of the union cabinet only outside the sphere of union cabinet. The