The correct answer is (a) Rama Bai Ranade.
Ramabai Ranade was a social reformer and educationist who founded the Arya Mahila Samaj in 1882. The Arya Mahila Samaj was a women’s organization that worked to improve the status of women in India. It provided education and employment opportunities for women, and campaigned for women’s rights.
Pandit Rambai was a social reformer and educationist who was also active in the women’s rights movement. However, she did not found the Arya Mahila Samaj.
Sinde was a social reformer who was active in the women’s rights movement. However, she did not found the Arya Mahila Samaj.
Handravarkar was a social reformer who was active in the women’s rights movement. However, she did not found the Arya Mahila Samaj.