The correct option is A Ananda Mohan Bose
Many prominent nationalists like Ananda Mohan Bose, Bipin Chandra Pal, Krishna Kumar Mitra, and Acharya Prafulla Chandra Ray started supporting the Anti-Partition Movement. In the afternoon of the day of partition, people gathered and laid a foundation for the Federation Hall. Ananda Mohan Bose, the co-founder of Indian Association, presided over the session.