Arora, N D. Political science for civil services main examination / N D Arora. - / . - New Delhi : McGraw Hill Education (India) , 2010. - various paging : figs. ; 25cm. . NULL ISBN: 9789383286980 RS595.00 Subjects--Index Terms: POLOTICAL SCIENCE-GUIDE BOOK Dewey Class. No.: 320.076 / ARO/P