1949

First Inter State Police Radio Control  Station established in New Delhi.

1950

First high altitude radio station installed in the Garhwal Himalayas (U.P.)

1956

First Inter-State Police Wireless competition held at Patiala (Punjab).

1957

First long distance radio telephone circuit provided between New Delhi and Port Blair.

1959

First use of Radio for "Traffic Aid Posts" on National Highways.

1964

First use of automatic VHF Radio Repeaters for long distance

voice communication Maharashtra. 

1965

Central Police Radio Training Institute (CPRTI) established  in  the present form.

1968

First Radio Tele Type (RTTY) service on VHF link   established

between Bombay(Maharastra) & Patna (Bihar)

1970

First Police teleprinter link established between New Delhi &  Chandigarh.

1972

First  linking  of all thanas  on radio in West Bengal

First experimental Inter-Continental Police link established with Interpol HQ at

Paris (FRANCE)and regional station at Tokyo (JAPAN).

1973

First RTTY service on HF was established

between New Delhi & Bhopal.

1974

First use of Closed Circuit Television (CCTV) for `Crowd Control',

in Kumbh   Mela at Haridwar (Uttaranchal.).

First use of ground to air communications for Police work  with BSF aircraft.

First  facsimile (FAX) transmission for Police use in Tamil Nadu.

1975

First Multichannel UHF link established at New Delhi.

First course for Gazetted Police Telecommunication Officers conducted at

the CPRTI (DCPW).

1976

First `On line' Electronic Ciphering of classified messages - DCPW.

1978

First Microwave System for Police Commissioned in Tamil Nadu. 

1979

First RTTY communication on Interpol link between New Delhi and Paris.

1980

First use of CCTV for traffic control by Delhi Police.

First participation of India in the International Conference

of PoliceTelecommunication experts.

1982

First use of Multi Access Radio Telephone System for Police during Asian games in New Delhi. 

1983

First use of Mobile Control Room by Police in Delhi.First 800MHz Security communication System established  by Police for Non Aligned Summit Meet - DCPW.

1984

First Mobile Automatic Radio Telephone Dialing system established in

Delhi-DCPW and  BSF Head Quarters.

1985

First Police Radio link between Delhi & Lucknow on RTTY in `Burst Mode'

with `forward Error Correction' using intelligent   terminals of DCPW.

1986

First successful transmission & reception of printed message from flying aircraft -DCPW and BSF.

1987

Introduction of Electronic Teleprinters (ETPs) and Automatic Message

Switching System in Police Communication Setup by DCPW at Delhi.

1988

Experimental Packet Radio Switching link tested  successfully   between

Jaipur - ISPW Station & Delhi-DCPW Hd. Qtrs.

1989

Formulation of First National Police Telecommunication Network Plan'

for Updating Police Telecommunication Services in the Country.

1990

Work on implementation of `Pilot Project' relating to National

PoliceTelecommunication Network Plan initiated.

First Radio Relay based communication links established - BSF in

Kashmir & Tripura.

Modernization  Plan for National Crime Bureau (NCB) India, submitted to Interpol

 Head quarters, Lyons, France.

First satellite link established for Karnataka Police at Bangalore.

Provision of extensive radio based communications for the River

Safari Expedition for BSF from Calcutta to Delhi in the BSF Silver Jubilee year. 

1991

Integration of various communication systems achieved in

Communication Centre - DCPW

Introduction of computerization  in message handling system, 

frequency management and  Stores  Inventory Control.

1992

Development and Introduction of Secrecy Devices in mobile radio sets. 

1995

The terrestrial based National Police Telecommunication Network plan modified into a satellite based Police Telecomm.