The power and position of Prime minister is so powerful that he is referred to as The first among equals (primus intersperes). Lord Morley regards Prime minister as “the keystone of the cabinet arch.” Former British Prime Minister Harold Wilson considered Prime Minister as “a person who conducts an orchestra without using any instrument”. The greatest ever British Prime minister R.A.Butler once said, “A Prime minister must be a good butcher, and know all the joints.”

• Article 74 of the constitution states that “there shall be a Council of ministers headed by the Prime Minister for the Union of India”. The Prime minister is elected from among the members of the majority party in Lok sabha. In case no party enjoys majority it is left to the discretion of the President to pick the Prime minister, who in his opinion will prove majority in a stipulated time. Traditionally, the Prime minister should be from Loksabha. Some scholars compare the Prime minister to the Sun because complete administration revolves around him. B. R. Ambedkar compares the powers of Prime minister to that of the President of U.S.A,

The success or failure of a Prime minister largely depends upon the personality besides administrative knowledge and experience. For example, Nehru was known for his magnetic personality, Shastri for his soft-spoken, but firm nature, Mrs. Gandhi for ‘never forget or forgive enemies’ attitude and Rajiv Gandhi was progressive but parasitic. P. V Narasimha Rao always regarded not making any decision as to the best decision, whereas Vajpayee was emotional.