The 65th Bihar Public Service Commission (BPSC) exam was held in Bihar in November 2020. In the Mains Exam, the BPSC administers a total of four papers. All candidates who passed the 65th BPSC prelims exam took the 65th BPSC Mains Exam. We are providing the 65th BPSC History Optional (Mains) Question Paper PDF along with all General Studies (GS) Papers, Hindi & Optional Paper PDF of the 65th BPSC Mains Exam 2020 in English and Hindi. BPSC 65th Mains Question Papers, Answer Keys out @bpsconline.com. 65th BPSC History Optional Question Paper PDF can serve as a guide for the upcoming BPSC History Optional paper.