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Which of the following are correct in the context of evolution of communications in India?

1. First Telegraph line was installed between Kolkata and Diamond Harbour in 1851.

2. In March 1884, telegraph messages could be sent from Delhi to Kolkata.

3. 1900 - Telegraph and telephone started serving Indian Railways.

4. First automatic exchange was commissioned at Shimla in 1913-14 with a capacity of 700 lines.

Select the correct answer using the codes given below:

A)  Only 1, 3 and 4

B)         Only 1, 2, and 3

C)  Only 2 and 3                

D)  1, 2, 3 and 4