Explanation:

- Option 1: Chennai is a significant city in India known for its cultural heritage, but it is not hosting the 2023 IOC session.

- Option 2: Pune is another notable city in India with rich historical significance, but it is not the chosen host for the IOC session in 2023.

- Option 3: Mumbai is the correct answer. The city will host the 2023 International Olympic Committee session, making it a major event for India.

- Option 4: Bengaluru is famous for its technological and educational prowess, yet it is not the location for the 2023 IOC session.