Explanation:

- Indu Malhotra: Appointed as a judge of the Supreme Court of India, she became the second woman judge at the time of her appointment.

- Justice R. Bhanumati: She was already serving as a Supreme Court judge when Indu Malhotra was appointed.

- Justice Rooma Paul: Incorrect option. She is a former judge of the Supreme Court but not contemporaneous with Indu Malhotra's appointment.

- Justice Gyan Sudha Mishra: Also a former Supreme Court judge, not serving during Indu Malhotra's appointment.

- Justice Sangeetha Prakash: Not a known Supreme Court judge from the given context and period.