Singhania, Nitin WBCS:General Studies Manual/ by Nitin Singhania - 2nd ed - Chenni: McGraw Hill Education, 2018 - various paging; ill., charts: 28 cm. ISBN: 9789387067059 Subjects--Topical Terms: GENERAL KNOWLEDGE- GUIDE BOOK Dewey Class. No.: 001.076 / SIN/W