Brochure on Reservation and Concessions For Scheduled Castes Scheduled Tribes Other Backward Classes Physically Handicapped Ex Servicemen Sportsmen and Compassionate Appointments In 2 Vols Author(s) : Nabhi Board of Editors ISBN : 8172747824 Year Of Publication : 2013 Edition : Seventh Revised About the Book: This book covers the reservations and concessions for SC / ST / OBC. Several circulars have been issued by the government on issues like, non-permissability of exchange for reservation betwen SCs and STs, treatment of such in areas of promotion, Issue of OBC Certificate, etc.