First Telephone line was started between Kolkata and Diamond Harbour- 1851
First Telephone service was started at Kolkata - 1881
First Telephone exchange was opened at Kolkata with 50 lines- 1881
First International Telephone line was started between Mumbai and London- 1870
First Automatic Telephone exchange in Simla was opened at- 1913
Post and Telecommunication started - 1984
Total Post Offices (2000) - 1,55,000
Quick Mail Service was started in - 1975
Speed Post was started in - 1986
E-Post was started in - 2002
