Indian Telecommunication
Well Postal means of communication was the only mean communication until the year 1850. In 1850 experimental electric telegraph started for first time in India between Calcutta (Kolkata) and Diamond Harbor (southern suburbs of Kolkata, on the banks of the Hooghly River).
In early1881, Oriental Telephone Company Limited of England opened telephone exchanges at Calcutta (Kolkata), Bombay (Mumbai), Madras (Chennai) and Ahmedabad.On the 28th January 1882 the first formal telephone service was established with a total of 93 subscribers.
In the year 1975 Department of Telecom (DoT) was responsible for telecom services in entire country after separation from Indian Post & Telecommunication. Decade later Mahanagar Telephone Nigam Limited (MTNL) was chipped out of DoT to run the telecom services of Delhi and Mumbai.
First mobile telephone service on non-commercial basis started in India on 48th Independence Day at country’s capital Delhi. The first cellular call was made in India on July 31st, 1995 over Modi Telstra’s MobileNet GSM network of Kolkata.
