The correct answer is: A. Tara Singh.
Tara Singh was a Sikh leader who was the president of the Shiromani Akali Dal (SAD) from 1923 to 1967. He was a strong advocate for Sikh rights and played a leading role in the Gurdwara Reform Movement. In 1948, he raised the demand for a separate state for Sikhs called ‘Punjabi Province’.
Pandit Neki Ram was a Hindu leader who was the president of the Punjab Hindu Sabha from 1937 to 1947. He was a strong advocate for Hindu rights and played a leading role in the Hindu Mahasabha.
Sant Fateh Singh was a Sikh leader who was the president of the SAD from 1967 to 1972. He was a strong advocate for Sikh rights and played a leading role in the Punjabi Suba Movement.
Pratap Singh Kairon was a Sikh leader who was the Chief Minister of Punjab from 1956 to 1964. He was a strong advocate for secularism and played a leading role in the Green Revolution.