Prime Minister of India

The Prime Minister of India is the leader of the executive of the Government of India. The prime minister is also the chief adviser to the President of India and head of the Council of Ministers. They can be a member of any of the two houses of the Parliament of India—the Lok Sabha (House of the People) and the Rajya Sabha (Council of the States).

Eligibility
 Article 75 of the Constitution of India-which sets the qualifications for the minister in the Union Council of Ministers

• A prime minister must: be a citizen of India.
• be a member of the Lok Sabha or the Rajya Sabha. If the person chosen as the prime minister is neither a member of the Lok Sabha nor the Rajya Sabha at the time of selection, they must become a member of either of the houses within six months.
• be above 25 years of age if they are a member of the Lok Sabha, or, above 30 years of age if they are a member of the Rajya Sabha.
• not hold any office of profit under the Government of India or the government of any state or under any local or other authority subject to the control of any of the said governments. If however a candidate is elected as the prime minister they must vacate their post from any private or government company and may take up the post only on completion of their term.

Oaths of office
The prime minister is required to make and subscribe in the presence of President of India before entering office, the oath of office and secrecy, as per the Third Schedule of the Constitution of India.

Tenure and removal from office
​The prime minister serves on 'the pleasure of the president. The prime minister must have the confidence of Lok Sabha, the lower house of the Parliament of India.
However, the term of a prime minister can end before the end of a Lok Sabha's term, if a simple majority of its members no longer have confidence in him/her, this is called a vote-of-no-confidence. Three prime ministers,

• I. K. Gujral , 
• H. D. Deve Gowda and
• Atal Bihari Vajpayee have been voted out from office this way.

In addition, a prime minister can also resign from office; Morarji Desai was the first prime minister to resign while in office.