10 Oldest General Post Office (GPO) In India
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GPOPost Office In IndiaDepartment of PostIndia PostMinistry of Communication & TechnologyOldest Post Office in IndiaPostcardlettersChennai GPOKolkata GPOMumbai GPOVaranasi Head Post OfficeAllahabad Head Post OfficeDarjeeling Head Post OfficeAgra Head Post OfficeShimla GPOMadurai Head Post OfficeOoty Head Post Office