TY - BOOK AU - Avadh Ojha TI - 30 Years' UPSC : :Topicwise Question Bank SN - 9789362397812 U1 - 351.076 OJH PY - 2025/// CY - Agra PB - Oswaal Books and Learning Pvt. Ltd. KW - Civil Services Examination KW - Indian Administration Service. IAS KW - UPSC. Union Public Service Commission. N2 - Topicwise Question Bank, Civil Services Examination Prelims Previous Years Solved Papers. GS 1 2024-1995 CSAT 2024-2011 Papers UR - Dewey Decimal Classification ER -