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28th January, 1882, is a Red Letter Day in the history of Telephone in India. On this day Major E. Baring, Member of the Governor General's Council declared open the Telephone Exchange in Calcutta, Madras and Bombay. The exchange at Calcutta named "Central Exchange" was opened at third floor of the building at 7, Council House Street. On 30-06-1882, the Central Telephone Exchange had 93 number of subscribers.

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10y ago

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