Answer : 2. "Nelly Sengupta"
Explanation :

The Arya Mahila Samaj was founded on November 30, 1882. It was founded by Pandita Ramabai with the aim of 'empowering and educating each woman to lead a dignified life'. Pandita Ramabai was a women's rights & education activist, a pioneer in the education and emancipation of women in India, and a social reformer.