The cds of Tajmahal Combined Post and Telegraph Office is a telegraph datestamp indicated by
TEL., not postal.
The basic type of this telegraph screwhead cds i.e. without the district name, is illustrated as Cat. No.11 in the
Postal Workshop Stamp Book (Catalog) 1923 under "Price List of Stamps and Seals Class E: Stamps Used in Head and Sub Offices".
Unfortunately, because of Anglophile PM Nehru, Br. India stamps, postal stationeries and auxiliary stationeries like this Inland Telegraph Form, were continued to be used even after independence

, which were officially demonetized only from April 1,1957 following the Postal Notification dt. March 28,1957 issued by MM Philip, Director General, Posts and Telegraphs Department.