The Prime Minister is considered the head of the Union Cabinet, leading the executive branch of the Indian government.
The prime minister of India is the head of government of the Republic of India.
Executive authority is vested in the prime minister and his chosen Council of Ministers,despite the president of India being the nominal head of the executive.
The prime minister has to be a member of one of the houses of bicameral Parliament of India, alongside heading the respective house.
The prime minister and the cabinet are at all times responsible to the Lok Sabha.