Greater Chennai Police
Logo of the Greater Chennai Police
Common name	Chennai Police
Motto	Truth alone triumphs
Agency overview
Formed	1659
Preceding agency	Chennai Suburban Police Chennai City Police
Employees	23625
Jurisdictional structure
Operations jurisdiction	Chennai,Tamil Nadu, India
Governing body	Department of Home,Government of Tamil Nadu
General nature	Local civilian police
Operational structure
Headquarters	Chennai Police Commissionerate
Elected officer responsible	M. K. Stalin,Chief Minister &Minister for Home Affairs
Agency executive	A. ArunIPS,Commissioner of Police,Chennai
Parent agency	Tamil Nadu Police
Units	List Aviation Emergency Service Organized Crime Control Bureau Scuba Team and Harbor Special Victims Major Case Squad Taxi Squad Movie and Television School Safety Real Time Crime Auxillay Police Crime Scene Evidence Collection Transit Bureau Housing Bureau Highway Patrol Transportation Bureau
Facilities
Stations	132
Website
tnpolice.gov.in

TheGreater Chennai Police, a division of theTamil Nadu Police, is the law enforcement agency for the city ofChennai inIndia and the surrounding area. The city police force is headed by aCommissioner of Police and the administrative control vests with theTamil Nadu Home Department.^[1] There are four sub-divisions of the Greater Chennai Police, and 104 police stations. The city's traffic is managed by the Greater Chennai Traffic Police. Chennai is the first city in India to introduce e-Beat system used to measure the daily routine and performance of the police personnel.^[2][3]

In 1659, when Chennai (then called Madras) was just a group of fishing villages, Pedda Naik formed a group ofpeons to guard the town. By 1780 the post of Superintendent of Police was created to manage the markets. After theIndian Rebellion of 1857, theBritish Raj in India formed the modern Madras Police as part of its reforms.^[4]

The Chennai City Traffic Police is a branch of the Greater Chennai Police, with the mission of regulating traffic in the city ofChennai. It was established in 1929 when the Police department was split into 3, namely, Law & Order, Crime and Traffic. As of 2011, the government merged Chennai Suburban Police with Chennai city police to form The Greater Chennai Police Commissionerate.^[5]

Officers

• Commissioner of Police (CP)
  (DGP/ADGP Rank)
• Additional Commissioner of Police (Addl.CP)
  (IG Rank)
• Joint Commissioner of Police (Jt.CP)
  (DIG Rank)
• Deputy Commissioner of Police (DCP)
  (SP Rank)
• Additional Deputy Commissioner of Police (ADC)
  (ADSP Rank)
• Assistant Commissioner of Police (ACP)
  (ASP/DSP Rank)

Subordinates

• Inspector of Police (Insp.)
• Sub-Inspector of Police (SI)
• Special Sub-Inspector of Police (SSI)
• Assistant Sub Inspector of Police (ASI)
• Head Constable (HC)
• Police Constable Grade I (SC)
• Police Constable (PC)

Additional Yellow Brigades & Blue Brigades motorcycles and patrol vehicles have been introduced in Greater Chennai. Each Yellow Brigade covers a distance of 2 km² approximately during daytime from 6 am to 9 pm. The Blue Brigade covers the same distance of 2 km² during nighttime from 11 pm to 6.30 am. The patrol vehicles cover an approximate distance of 3.2 km² each day. For patrol duty, 40 Jeeps have been provided equipped with police sirens, revolving lights, public address system, fire extinguisher, top search light, police display light and wireless communication system. The response time to control room calls has been brought down to 3–4 minutes. TheTamil Nadu Police claim that the crime rate in the GreaterChennai City has come down considerably after these initiatives.

The police force include 100Hyundai Accent patrol cars that were donated by theHyundai Motor Company, whose factory is located inSriperumbudur, on the outskirts of the city. The cars are fitted withdigital cameras, wireless communication devices and loudspeakers,^[6] making this the only police force in the country to usesedan patrol cars. Patrol cars have been provided to Greater Chennai Police.Hyundai donated Accent cars to Chennai Police, of which 75 were given to Law & Order, 21 to traffic department. The remaining 4 cars were incorporated into the Chief Minister's convoy.

The ranks, posts and designations of all police officers vary from state to state as law and order is astate matter. But, generally the following pattern is observed:^[7][8][9]

Gazetted Officers

Indian Police Service gazetted officers rank insignia^[10][11][12]

Insignia

Rank

Director General of Police

Additional Director General of Police[a]

Inspector General of Police

Deputy Inspector General of Police

Superintendent of Police (Selection Grade)[b]

Superintendent of Police

Additional superintendent of police

Assistant Superintendent of Police

Assistant superintendent of police (probationary for two years)

Assistant Superintendent of Police (Probationary for one year)

Abbreviation

DGP

ADGP

IGP

DIGP

SP (SG)

SP

Addl.SP

ASP

ASP

ASP

Note 1: The rank insignia of DGP, Spl.DGP, Addl.DGP is the same. Note 2: The equivalent rank to the ASP (Asst.SP) inState Police Services is thedeputy superintendent of police (DSP/DySP). Note 3: Thecommissioner of police is a post typically held byDIG and above rank officers.

.

Non-gazetted officers

Indian Police non-gazetted officers rank insignia^[13][14]

Insignia

No insignia

Rank

Inspector of Police

Inspector / Circle Inspector[c]

Assistant Police Inspector[d]

Sub-Inspector

Sergeant (Kolkata Police)

Assistant Sub-Inspector

Head Constable[e]

Senior Constable[f]

Police constable

Abbreviation

INSP

INSP / CO

API

SI

Sgt

ASI

HC

SC

PC

The rank ofSergeant is used in India only in theBihar Police and theKolkata Police The One Five Pointed Star for the rank of Inspector is used by Police forces of 7 states viz.West Bengal,Jharkhand,Bihar,Sikkim,Assam,Nagaland andTripura. This is because Inspectors of Police in these 7 states areGazetted Officers. However, the Kolkata Police uses theFour Pointed Star of the Order of Bath for the ranks of Inspector and Assistant Commissioner of Police instead of Five Pointed Star. For the ranks of ASI, SI/Sergeant and Deputy Commissioner of Police, the usual Five Pointed Star is used Colour pattern and size ofchevrons may vary according to the different rules of several distinct Indian State Police services.

Following are the new list of delimitation police stations within the jurisdiction of Chennai Metropolitan Police.^[15]

• Official website

• Government of Chennai
• Metropolitan law enforcement agencies of India
• Tamil Nadu Police
• 1659 establishments in Asia
• 17th-century establishments in India

• Articles with short description
• Short description matches Wikidata
• Use dmy dates from June 2018
• Use Indian English from June 2018
• All Wikipedia articles written in Indian English
• Short description is different from Wikidata
• Pages using law enforcement agency with local civilian police general nature