Pedda Naik engaged by the British to Guard the town of Madraspatanam with the assistance of peons. The system was the remnant of the ‘Kaval’ organization.

Board of Police constituted by the then Governor Josios DuPre to deal with removal of public nuisance, & maintenance of public health and order.

Governor Stratton appointed “ Kotwal” or overseer of markets to control prices of commodities in the market and to make the tradesmen “behave”.

Post of Superintendent of Police was created to supervise the markets and to reduce the prices of provisions..

Comprehensive plan for the Police prepared by S.Popham to promote health and to prevent impositions and frauds..

Institution of Kotwal Police abolished, on complaints of extracting more money than was due from merchants. Office of "Poligar" (synonymous with "Pedda Naik") restored..

Walter Grant became the first regularly appointed Superintendent of the City Police with three Police Magistrates..

Thomas Harris, Superintendent of Police, Madras, formulated - the city pattern of policing, divided the area into eight divisions for effective control..

On the recommendation of George Norton, Advocate General, Madras City was divided into four Districts namely Black Town District, Triplicane District, Vepery District and St. Thomas District (Santhome). .

Francis Kelly and Vambaukkam Raghavachariar became the first Indians to be inducted as Police Magistrate and Dy. Supdt. of Police. .

Police Act XII was passed by Legislative Council of the Governor General. J.C Boudlerson became the first Commissioner of Police under the new Act..

W. Robinson, a covenanted civil servant was appointed Chief Commissioner of Police (IGP). The proposal submitted by Robinson formed the basis of the present day district Police..

Act XXIV marks the beginning of Modern Madras Police. The Act was also the forerunner for the Police Commission set up by the Government of India in 1906.

Free Masons Lodge Building "Perfect Unanimity" (Present Police Headquarters) taken on lease by the Police for a rent of Rs.90/- p.m.

Madras Presidency Police bought the Police Headquarters Building for a sum of Rs.20,000/-. An additional sum of Rs.10,000/- was spent on expansion and repairs.

Formation of Malappuram Special Police to deal with periodical outbreaks of Muslim fanaticism by Moplahs.

Finger Print Bureau was established in Madras.

The Madras City with an area of 29 sq. miles and population of 5,09,346 was divided into two ranges - Northern range in the immediate charge of Dy. Commissioner of Police and the Southern Range under the direct control of Commissioner of Police himself assisted by a Chief Superintendent.

H.A. Stuart, Inspector General of Police, Madras Presidency was appointed Secretary of All India Police Commission.

Police Training School was strengthened and equipped to train the new cadre of Sub-Inspectors who were to replace the old Station House Officers (who were Head Constables).

Criminal Investigation Department was established. F.Fawcett was appointed as DIG.

The King's Police Medal was instituted for Gallantry and Distinguished Service.

Presidency Police Sports inaugurated.

Diwan Bahadur Parankusam Naidu was appointed as Commissioner of Police - the first Indian to occupy the post.

P.B. Thomas, I.P., became the first Police Officer to be appointed as Inspector General of Police to head the Police Department.

Malabar Special Armed Police was formed in the wake of Moplah rebellion.

H.G. Stokes appointed as Special Officer for re-organisation of Armed Reserves and Special Police Parties. MSP equipped with " Marconi" wireless sets.

First Police Organisation to use wireless for operations in Madras State.

The CID was divided into Special Branch and Crime Branch

Madras City Police re-organised with functional divisions of Crime, Law and Order and Traffic.

Statutory rules for the Madras Police Subordinate Service come into force.

"Village Vigilance Committees" constituted to enlist public Co-Operation.

Police Wireless commissioned. Capt.D.R. Clamp appointed as first Police Wireless Officer.

T.G. Sanjeevi, from Madras became the first Indian to occupy the Post of Director, Intelligence Bureau, New Delhi.

Madras Police Dog squad was formed. Madras became the pioneer in India after Independence to use dogs in the prevention and detection of crime.

Police Radio Office established.

Single Digit Finger Print Section was established in the Finger Print Bureau.

Headquarters of the MSP (Tamil Nadu) was shifted to Thiruchirapalli.

Centenary year of Tamil Nadu Police.

Police Research Center (PRC) was formed.

Dog squad established at Madurai.

Government sanctioned to establish State Forensic Science Laboratory.

City Police Hospital at Madras (Originally formed as a dispensary) was converted as a full fledged Hospital.

Home Guards was created to assist police.

H.A. Stuart, Inspector General of Police, Madras Presidency was appointed Secretary of All India Police Commission.

"Police Computer Wing", Madras was established. Tamil Nadu was the first State to start Computerisation.

Tamil Nadu Police Commission set up under the Chairmanship of Thiru Gopalswamy Iyengar.

Special Cell CID was formed to deal with extremist's activities. This was later known as Q' Branch CID.

Women Constables and Women SI recruited in Tamil Nadu Police for first time.

Police Transport Workshop cum training school, Avadi started functioning.

Security Branch was constituted in CID.

Post of Director General of Police was created to head the Police Department

E.L. Stracey I.P. was the first Director General of Police of Tamil Nadu.

Tamil Nadu Police Housing Corporation was formed.

Forest Cell CID, Madras was formed.

Raising of T.S.P. VIII and T.S.P IX Battalions.

Regional Police Transport workshop was opened at Trichy.

Tamil Nadu Police Housing Corporation merged with TN Housing Board.

Police Commission appointed under the Chairmanship of former Chief Secretary Thiru Sabanayagam .Dr.R.Rajagopalan I.P.S.,appointed as the Member Secretary of the Commission.

Control Room was opened in the Directorate of Civil Defence.

Uniformed Service Recruitment Board was constituted for the recruitment of personnel in the non-gazetted category for the uniformed departments -Police, Prison and Fire Services.

Once again the TN Police Housing Corporation Started Functioning as a separate entity

Special Security Group established

First Women Police Station,was opened at Thousand Lights,Chennai,headed by an Woman Inspector.Subsequently Women Police Stations were opened in all districts.

Separate establishment for Human Rights was formed.

Special task Force was formed.

Coastal Security Group,first of its kind in the country constituted to strengthen the security of 1000 km-long Tamil Nadu coast line.

Chief Office Shifted to "Government House",Government Estate,Chennai.

First phase of the Pilot Project on Computerisation of Police Stations was introduced in 4 Police Stations.

Swift Action Force (SAF)formed to deal with communal riots.

In th new Millennium,Tamil Nadu Police has a Strength of 91,341.There are 11 Police ranges, 32 police Districts including 2 railway Districts,6 commissionerates,189 Sub Divisions,287 Circles and 1276 Police Stations including Women Police Stations.

"Police Personnel Grievance Redressal Day" was conducted by Hon'ble CM.

Four Zones created, each headed by an IGP with headquarters at Chennai,Coimbatore,Trichy and Madurai.

One Mobile Police Station and 80 Highway patrol vehicles introduced to improve highway surveillance and reduce accidents.

117 police Clubs opened all over the State.

"Woman Police Battalion of Tamilnadu Special Police " formed -the first such battalion in India.

STF succeeded "Operation Cocoon" in which the notorious bandit Veerappan was killed.

"Integrated Modern Police Control Room" opened at Chennai City.

Merging of Chengai East District with the Commissionerate of Chennai city Police.The greater Chennai Police now has a jurisdiction over 588.7 Sq.Kms,with 156 Police Stations,the largest Commissionerate in the country.

A new building for State Crime Records Bureau(SCRB) inagurated. The SCRB building is a State-of-the-art facility for the Finger Print Bureau,Police Computer Wing,Modus Operandi Bureau and Statistical Wing.

Asia's Largest and Modern Prison called Puzhal Prison was inaugurated.

Sesquicentennial(150 Years)1856-2006 of the Chennai Police Celebrated.

Ariyalur District was newly formed, bifurcating the erstwhile Perambalur District.

Hyundai Motors Ltd., Presented 100 Hyundai Accent Cars as a goodwill gesture to augment the Chennai City Patrolling fleet. Thus Chennai Police is the only force in the country having a fleet of sedans.

Tamil Nadu Police Celebrated Sesquicentennial (150 Years).

The Chennai Police has been bifurcated as Chennai City Police Commissionerate and Chennai Sub- Urban Commissionerate.

The Tamil Nadu Police Academy has been inagurated at Oonamancheri, Vandalur, Chennai.

The DGP, Tamil Nadu launched the redesigned Tamil Nadu Police Official Website with eGovernance facility.

01.07.09 National Security Guard hub was opened at Chennai.

01.09.09 Senior IPS officer Ms Letika Saran IPS became the first woman DGP in Tamil Nadu Police

18.10.09 Hon'ble CM M.karunanidhi unveiled a new Police Memorial at DGP office to commemorate the police personnel who laid down their lives while discharging duty.