Answer:
D.
Explanation: never happened.
what happened was "March 24 – Battle of Hyderabad: The Bombay Army, led by Major General Sir Charles Napier, defeats the Talpur Mirs, securing Sindh as a province of British India. March 25 – Marc Isambard Brunel's Thames Tunnel, the first tunnel under the River Thames and the world's first bored underwater tunnel, is opened in London."