The UPSC Civil Services Mains Examination consists of 9 papers , out of which 7 are counted for merit , and 2 are qualifying in nature . It is a written descriptive exam. Qualifying Papers (Only need to pass): Paper A: Indian Language (300 marks) – Any one language from the Eighth Schedule of the Constitution (e.g., Hindi, Tamil, Bengali, etc.) – Not required for candidates from Arunachal Pradesh, Manipur, Meghalaya, Mizoram, Nagaland, and Sikkim Paper B: English (300 marks) Papers Counted for Merit: Paper I: Essay (250 marks) – Write two essays (choice given). Topics can be philosophical, abstract, social, political, or cultural. Paper II: General Studies I (250 marks) – Indian Heritage and Culture – History (Modern India, Post-Independence) – World History – Geography of India and the World – Society (Diversity, Role of Women, Population, Urbanization, Globalization, Social empowerment) Paper III: General Studies II (250 marks) – Indian Constituti...