The correct answer is option 1, Vijayalakshmi Pandit. She was the only Indian to be elected as President of the United Nations General Assembly. Vijayalakshmi Pandit was an Indian diplomat and politician who served as the President of the UN General Assembly in 1953. She was also the first woman to hold this prestigious position.

Option 2, V.K. Krishna Menon, is not the correct answer. While he was an influential Indian diplomat and politician, he did not serve as the President of the UN General Assembly.

Option 3, Jawaharlal Nehru, was the first Prime Minister of India, but he did not hold the position of President of the UN General Assembly.

Option 4, Rajeshwar Dayal, is not the correct answer either. Although he was an Indian civil servant and diplomat, he did not serve as the President of the UN General Assembly.