The correct answer is option 2, G.V. Mavalankar. He was the first speaker of the LokSabha, the lower house of the Parliament of India. G.V. Mavalankar was elected as the Speaker on 15 May 1952. He served as the Speaker for the first two LokSabha terms from 1952 to 1957 and from 1957 to 1962. Mavalankar played a crucial role in setting up the rules and procedures of the LokSabha and was instrumental in establishing its significance as a democratic institution. He was known for his impartiality, efficiency, and integrity in maintaining order during the sessions. G.V. Mavalankar`s tenure as the first Speaker of the LokSabha laid the foundation for the functioning and development of the Indian parliamentary system.