Question

where, when and whose presidentship was the second session of the Congress held​

Answer 1

Explanation:

In 1886, Surendranath Banerjea and other leaders of Bengal merged their forces with those of the National Congress whose second session met in Calcutta in December 1886 under the president-ship of Dadabhai Naoroji. From the Calcutta session, the National Congress became 'the whole country's Congress'.