Question

what was the meaning of Presidency which were three presidencies​

Answer 1

The Provinces of India, earlier Presidencies of British India and still earlier, Presidency towns, were the administrative divisions of British governance in India. Collectively, they have been called British India. ... By the mid-18th century three Presidency towns: Madras, Bombay and Calcutta, had grown in size.

Hope it helps.

Answer 2

Above snap is the answer......