Option 1: Motilal Nehru - Motilal Nehru was an Indian lawyer, activist, and politician. While he played a prominent role in the Indian independence movement, he was not elected as the President of the All-India Khilafat Conference in 1919.

Option 2: Mahatma Gandhi - Mahatma Gandhi was indeed elected as the President of the All-India Khilafat Conference that met at Delhi in 1919. Gandhi was a key leader in the Indian freedom struggle and advocated for nonviolent civil disobedience as a means of achieving independence from British rule.

Option 3: M.A. Jinnah - M.A. Jinnah, also known as Muhammad Ali Jinnah, was a prominent leader in the Indian independence movement and later became the founder of Pakistan. While he was involved in the Khilafat movement, he was not elected as the President of the All-India Khilafat Conference in 1919.

Option 4: Shaukat Ali - Shaukat Ali, along with his brother Muhammad Ali Jauhar, played a significant role in advancing the Khilafat movement in India. However, Shaukat Ali was not elected as the President of the