TY - BOOK ED - Tata McGraw Hill TI - General studies manual 2011 : for civil services preliminary examination T2 - Tata McGraw-Hill's series SN - 9780071071420 PB - New Delhi KW - Biology KW - Chemistry KW - Civil service (preliminary) examination Guide 2011 KW - Current affairs KW - General knowledge KW - General science ( KW - History India KW - Physics KW - Zoology) ER -