The correct answer to the question is option 1 - Mahatma Gandhi. Mahatma Gandhi was not a member of the Constituent Assembly. The Constituent Assembly was a body of representatives tasked with the responsibility of drafting the Constitution of India.

Option 2 - Dr. Rajendra Prasad: Dr. Rajendra Prasad was indeed a member of the Constituent Assembly. He played a significant role in the drafting and adoption of the Constitution, serving as the President of the Constituent Assembly and later as the first President of independent India.

Option 3 - Sardar Patel: Sardar Patel was also a member of the Constituent Assembly. He made invaluable contributions to the integration of princely states into the Indian Union and is considered one of the founding fathers of India.

Option 4 - G. V. Mavalankar: G. V. Mavalankar was also a member of the Constituent Assembly. He served as the first Speaker of the Lok Sabha (the lower house of the Indian Parliament) after independence.

Alert - correct answer should be: None of the above