As per the Indian Constitution, the President of India holds significant powers and duties. Here are some of the key constitutional powers and duties of the President of India:

• The President is the head of the state and holds the power to appoint the Prime Minister and Council of Ministers.
• The President has the power to address the Parliament and summon or dissolve the Lok Sabha (Lower House of Parliament).
• The President can also issue ordinances when the Parliament is not in session, under specific circumstances mentioned in the Constitution.
• The President has the power to appoint various officials, such as governors, judges, and ambassadors, in consultation with other officials.
• The President has the authority to grant pardons, decrease sentences, and commute death sentences, in some cases.
• The President is the Commander-in-Chief of the armed forces and can take action during war and emergencies.
• The President can also declare a national emergency, impose President's Rule in a state, and perform other duties as prescribed by the Constitution.

Overall, the President of India holds important constitutional powers and duties that are crucial for the smooth running of the government and the country.