Which article of the Indian Constitution is regarded as the Soul of Indian Constitutions?

In the Indian constitution, there are $5$ rights according to Article $32$ that empower the Supreme court to enforce the Fundamental right of an individual. Dr. B R Ambedkar, the chairman of the Drafting committee called Art. $32$ the Fundamental Right to Constitutional Remedies as the heart and soul of the Indian constitution. According to this right, a person can move the Supreme Court in case of violation of their fundamental rights.
Hence, option $D$ is the correct answer.