Correct Answer : Option (B) - Lala Har Dayal
Note : The Ghadar Party was an Indian revolutionary organisation primarily founded by Indians. The party was multi-ethnic and had Sikh, Hindu and Muslim leaders. The party was headquartered in San Francisco, United States. Founders: Har Dayal, Sohan Singh Bhakna, Santokh Singh, Sant Baba Wasakha Singh Dadehar, Baba Jawala Singh.