When did Post Office act was passed in British India

When did Post Office act was passed in British India

Explanation

The Indian Post Office Act, of 1898, passed by the legislature on 22 March 1898, became effective on 1 July 1898 regulating postal service

India has the highest number 

the Indian post office Formed on1 October 1854

Headquarters of the Indian post office in Dak Bhawan, Sansad Marg, New Delhi

the Indian post office founded by Lord Dalhousie.

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ND13-1-2023