TY  - BOOK
AU  - Singh, Arvind Kumar.
TI  - Bharatiya dak: sadiyon ka sararnama 
SN  - 8123747949 :
PY  - 2006///
CY  - New Delhi
PB  - National Book Trust
KW  - Postal service
KW  - History
KW  - India
KW  - Postal systems
KW  - Postage stamps
KW  - Employees
ER  -