The statement "The President of India cannot become a dictator" is fundamentally true due to the carefully crafted constitutional framework of India, which establishes a parliamentary system of government. Unlike a presidential system where the head of state and head of government are the same person with significant executive powers, the Indian President is a constitutional head, primarily a ceremonial figurehead. Here's why:

1. Constitutional Head (De Jure Executive): The President is the nominal or de jure head of the executive, meaning all executive actions are taken in their name. However, the real executive power (de facto executive) rests with the Prime Minister and the Council of Ministers.

2. Aid and Advice of Council of Ministers (Article 74): Article 74(1) of the Constitution explicitly states that there shall be a Council of Ministers with the Prime Minister at the head to aid and advise the President, who shall, in the exercise of his functions, act in accordance with such advice. The 42nd Amendment Act (1976) made this advice binding on the President, and the 44th Amendment Act (1978) further clarified that the President can ask the Council of Ministers to reconsider such advice, but must act in accordance with the advice tendered after such reconsideration. This effectively removes any significant discretionary power.

3. Accountability to Parliament: The Council of Ministers, headed by the Prime Minister, is collectively responsible to the Lok Sabha (House of the People). This means that the government remains in power only as long as it enjoys the confidence of the majority in the Lok Sabha. The President, therefore, cannot act independently of a government that commands parliamentary majority.

4. Limited Discretionary Powers: The President has very few discretionary powers, such as appointing the Prime Minister when no single party has a clear majority in the Lok Sabha, or dissolving the Lok Sabha if the Council of Ministers has lost confidence and no alternative government can be formed. Even these are exercised within constitutional conventions and political realities.

5. Impeachment (Article 61): The President can be removed from office through an impeachment process for 'violation of the Constitution'. This is a quasi-judicial procedure initiated by either House of Parliament, requiring a special majority in both Houses. This serves as a strong check against any dictatorial tendencies.

6. Oath of Office: The President takes an oath to 'preserve, protect and defend the Constitution and the law' and to devote himself to the service and well-being of the people of India. This oath binds the President to act within constitutional limits.

7. Nature of Indian Democracy: India is a vibrant parliamentary democracy with a robust system of checks and balances, an independent judiciary, and a free press. These institutions collectively act as bulwark against any individual, including the President, attempting to usurp dictatorial powers.

In essence, the Indian Constitution deliberately created a President who is a symbol of the state's unity and integrity, rather than a powerful executive head. The constitutional provisions ensure that the President functions as a guardian of the Constitution, acting on the advice of the elected government, thereby preventing any possibility of dictatorial rule.