The correct answer is option 2, Dr. B. R. Ambedkar. Dr. B. R. Ambedkar, the principal architect of the Indian Constitution, considered "Right to Constitutional Remedies" to be the heart and soul of the Constitution. This right is enshrined in Article 32 of the Indian Constitution, which guarantees the right to individuals to move to the Supreme Court for the enforcement of their fundamental rights. Dr. Ambedkar believed that without this right, the fundamental rights guaranteed by the Constitution would remain merely on paper and would not have any practical significance. He saw the right to constitutional remedies as a crucial safeguard to ensure that citizens could seek legal protection if their rights were violated, thus making it the backbone of the Constitution.