MTNL (Mahanagar Telephone Nigam Limited) is the Telecom and Broadband service Provider. MTNL has been established in the year of 1911 as Delhi Telephone System.
1911
Establishment of Delhi telephones system
1926
First Automatic Exchange opened
1937
Established Connaught Place exchange.
1945
Started First Manual Trunk exchange
1950
Cantt exchange system opened
1953
Tiz Hazari Exchange (Lothian exchange ceased working) commissioned.
1955
Secretariat exchange commissioned
1958
Karol Bagh exchange (SXS) commissioned.
1961
Jor Bagh exchange (SXS) commissioned.
1961
Shahadara exchange (SXS) commissioned.
1962
Opening of First STC service to Agra.
1963
Delhi Gate (27) exchange commissioned.
1964
Delhi telephone crossed 50,000 lines.
1966
Opening of exchanges at Nangloi, Narela, Najafgarh, Bahadurgarh and Ballabgarh.
1967
Rajpath (38) exchange commissioned
1968
1st X-Bar exchange (KB58) commissioned. X-Bar exchange (JB62) commissioned
1969
Trunk automatic exchange (TAX) commissioned
1970
Okhla X-Bar exchange commissioned.
1972
Opening of Idgah-I (51) Strowger exchange.
1972
X-Bar (31) Janpath-I exchange commissioned. Delhi telephones crosses 1 lac lines.
1973
Opening of X-Bar (67) Chanakya Puri exchange.
1975
X-Bar Janpath-IV (34) exchange commissioned. X-Bar Shahdara East (20) exchange commissioned.
1976
Shakti Nagar (74) exchange commissioned. Idgah-II (52) X-Bar exchange inaugurated by Mr. Fakhuriddin Ali Ahmed, President of India, on 28.8.76 and presided over by Mr S.D. Sharma (Minister of Communications).
Opening of Shahdara East (20) Extension-I, X-Bar exchange on 31.8.76. It was inaugurated by Mr H.K.L Bhagat (Minister of State for Works & Housing) and Mr S.D. Sharma (Minister of Communications).
Opening of Hauz Khas (65) X-Bar exchange on 18.10.76. It was inaugurated by Mr S.D. Sharma (Minister of Communications) and presided over by Mr Radha Raman (Chief Executive Councillor, Delhi).
1977
Opening of STD Service to Indore and Ambala on 5.10.77 by Mr Brij Lal Verma (Minister of Communications).
1978
Opening of Rajouri Garden-I (59) X-Bar exchange in Feb 78
Opening of Hauz Khas -II (66) X-Bar exchange on 15.2.78, by Mr Brij Lal Verma (Minister of Communications).
Opening of Janpath-V (35) X-Bar exchange.
Opening of Nehru Place (68) Strowger exchange on 4.11.78 by Mr Brij Lal Verma (Minister of Communications) and presided over by Mr R.K. Gupta (Mayor of Delhi).
1986
Creation of Mahanagar Telephones Nigam Limited
1986
First digital exchange world technology brought to India
1987
Largle Scale introduction of push button telephone made dialling easier.
1988
Phone Plus services multiplied benefits to telephone users.
1992
Voice Mail Service Introduced
1996
ISDN services introduced
1997
Wireless in Local loop introduced
1999
Internet services introduced.
2000
Millennium Telecom Limited, a wholly owned subsidary of MTNL is born
2001
Launched GSM Cellular Mobile service under the brand name Dolphin
Launched WLL Mobile services under the brand name Garuda.
The company listed at New York stock exchange(NYSE)
United telecom ltd.,MTNL Joint venture in Nepal,for providing WLL based services in Nepal became operational.
CLI based Internet express services introduced.
2002
Launched pre-paid GSM Mobile services under the brand name Trump.Email on PSTN lines introduced under the brand name mtnlmail.
2003
Introduced CDMA 1x 2000 Technology under the brand name Garuda 1-x.Introduced pilot project of ADSL based Broadband services.Introduced Virtual Phone services.Mahanagar Telephone Mauritius Ltd. bagged second operator license in Mauritius.
2004
Expanded GSM & CDMA capacity by 800,000 lines each (total 1.6 million lines expanded) STD/ISD rates slashed by almost 60%. MTNL subsidiary MTML obtained license to provide fixed, mobile & ILD services in Mauritius. Launched Wi-Fi & digital certification services. State of the art training centre ?CETTM? commissioned.
2005
Leading market in GSM customer additions. Launched broadband services under the brand name ?TRI BAND?. Floated tender for 1 million 3G GSM lines.