Source : https://documents.doptcirculars.nic.in/D2/D02est/11013_8_2015-Estt.A-III-29062015.pdf
- #No.1 Website For Postoffice Rules and Manuals
Source : https://documents.doptcirculars.nic.in/D2/D02est/11013_8_2015-Estt.A-III-29062015.pdf