TY  - BOOK
AU  - Sen,S.
AU  - Chopra,J.K.
TI  - Unique quintessence of a compendium of essays 
SN  - 9788183571890
U1  - 080 SEN C 
PY  - 2011///
CY  - New Delhi : 
PB  - Unique Publishers, 
KW  - Unique quintessence -compendium essays
KW  - UPSC State civil services
KW  - Compatative examination
ER  -