00424pab a2200157 454500008004000000100002400040245006600064260000900130300001300139362001100152650002000163650001000183650002100193700001800214773003400232180718b2007   xxu||||| |||| 00| 0 eng d  aJodhka, Surinder S.  aInternal classification of scheduled castes: the Punjab story  c2007  ap.20-23.  a27 Oct  aScheduled caste  aCaste  aBackward classes  aAvinash Kumar  aEconomic and Political Weekly