The main centre of Gadar Movement of 1915 was :

Answer: Option A

In 1914, Kasi Ram Joshi a member of the party from Haryana, returned to India from America. On 15 March 1915 he was hanged by the colonial government. The Ghadar party commanded a loyal following the province of Punjab, but many of its most prominent activists were forced into exile to Canada and the United States.