The first telegraph line in India was laid between..
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Calcutta and Delhi
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Calcutta and Agra
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Calcutta and Bombay
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Delhi and Bombay
B
Correct answer
Explanation
The first experimental telegraph line in India was established by Lord Dalhousie in 1851, connecting Calcutta and Diamond Harbour, but the first official long-distance line connected Calcutta and Agra in 1854.