Section 3(3)(i) in The U.P. Direct Recruitment through Public Service Commission Preliminary Examination Rules, 1986
(i)[ Preliminary examination will consist of two question papers of two hours' duration each in cases where it is to be followed by main examination. Out of the two question papers one will be the compulsory paper of General Knowledge and General Studies, while the other will be of one of the optional subjects which may be prescribed by the Commission with the concurrence of the Government; [Substituted by Notification No. 681/KA 3-90-15-106-85, dated March 6, 1990, published in U.P. Gazette, Part 1 (ka), dated 5th May, 1990.]