Correct option is A
The General Service Enlistment Act was passed by the British Government in 1856, just a year before the Revolt of 1857. It was a significant cause of
• The Act was passed during the time of Lord Canning, the last Governor-General and first Viceroy of India.
• It added to the growing list of grievances such as pay disparities, promotion issues, and racial discrimination.
• The Act became one of the spark points for the mutiny at Barrackpore and Meerut.
• The revolt began in May 1857 and is regarded as India's First War of Independence.