00000nam a2200000 a 4500 20251203112626.0 9789351874393 351.076 CUR Kumar, Anil Ed. _ Current topics for UPSC prelims and main examination New Delhi Unique publishers 2016 ix, 166 p. 26 cm. PB _ UPSC prelims examination UPSC main examination agriculture ecology environment _ _ _ 205080 R 165524 165524 0 0 0 1 PU PU 2016-11-09 128.00 0 351.076 CUR 205080 R