The first telegraph line in India was laid between
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Kolkata and Delhi
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Kolkata and Agra
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Kolkata and Mumbai
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Delhi and Mumbai
B
Correct answer
Explanation
The first telegraph line in India was established in 1851 between Kolkata (then Calcutta) and Agra, covering a distance of about 1,400 km. This marked the beginning of telecommunication in India during British colonial rule. Kolkata was the capital of British India at the time.