Chennai,formerly known as Madras,is the capital city of Tamil Nadu,the southernmost state of India. It is the state's primate city and is located on the Coromandel Coast of the Bay of Bengal. According to the 2011 Indian census,Chennai is the sixth-most populous city in India and forms the fourth-most populous urban agglomeration. Incorporated in 1866,the Greater Chennai Corporation is the oldest municipal corporation of India and the second oldest in the world after London.
Avadi is a western suburb of Chennai,and the headquarters of Avadi taluk located within the Thiruvallur district of Tamil Nadu,India. Situated at about 22 kilometres (14 mi) from Chennai Central Railway Station,it is one of the four municipal corporations in the Chennai Metropolitan Area and is governed by the Avadi Municipal Corporation. It is surrounded by major defence establishments and is home to various universities and engineering colleges. The neighborhood is served by Avadi Railway Station of the Chennai Suburban Railway. As of 2011,Avadi had a population of 345,996,which is 10th most populous place in Tamil Nadu. It is home to the Heavy Vehicles Factory (HVF),Ordnance Factory Board (ODF) which houses Engine Factory and Combat Vehicles Research and Development Establishment (CVRDE). The lake in Avadi was known as Paaleripattu,which is now found only in very old land documents.
Greater Chennai Corporation (GCC) is a local government for the City of Chennai in the Chennai Metropolitan Area of Tamil Nadu,India. Inaugurated on 29 September 1688,under a royal charter issued by King James II of England on 30 December 1687 as the Corporation of Madras,it is the oldest municipal body of the Commonwealth of Nations outside Great Britain. It is the largest municipal corporation in Tamil Nadu with an area of 426 km2. It is headed by a mayor,who presides over 200 councillors,each of whom represents one of the 200 wards of the city. It is the second oldest corporation in the world after the City of London. The city limits,which had been expanded several times over the years,is currently coterminous with the Chennai district. It is one of the four municipal corporations located within the Chennai Metropolitan Area,the other three being the Tambaram Corporation,Avadi City Municipal Corporation and Kanchipuram Municipal Corporation.
Tiruvallur is a Grade I municipality in the Indian state of Tamil Nadu. It is located on the banks of Coovum river about 46 km (29 mi) from downtown Chennai (Madras) and just 5 km from megacity border,in the western part of the Chennai Metropolitan Area (CMA). It is a satellite town of Chennai and is the administrative headquarters of Tiruvallur district. The town is known for the Veeraraghava Swamy Temple,one of the 108 sacred shrines of Vaishnavites. The tank festival is held at a pond near this temple. A Shiva temple near this shrine which is popular among the locals. There is also a 40-foot (12 m) tall Viswaroopa Panchamukha Hanuman temple,where the murti is made of a single green granite stone.
Tamil Nadu Police is the primary law enforcement agency of the state of Tamil Nadu,India. It is over 150 years old and is the fifth largest state police force in India. Tamil Nadu has a police-population ratio of 1:632. The Director General of the Tamil Nadu police is Shankar Jiwal.
The Greater Chennai Police,a division of the Tamil Nadu Police,is the law enforcement agency for the city of Chennai in India and the surrounding area. The city police force is headed by a Commissioner of Police and the administrative control vests with the Tamil Nadu Home Department. 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.
Poonamallee is a town and suburb of Chennai,India under the Chennai Metropolitan Area. It was historically called Pushpagirimangalam,later renamed in Tamil as Poovirundhavalli,and now colloquially called as Poondhamalli. It is the headquarters of the Poonamallee taluk of the Tiruvallur district in the Indian state of Tamil Nadu. The nearest Railway station is at Avadi. It acts as the gateway to the city from its western side. It is a town with rich cultural heritage and also a fast-growing areas in the city. As of 2011,the town had a population of 57,224. There are plans to merge the areas under Poonamallee Municipality with Avadi Municipal Corporation.
Pulhal is a Northwestern residential town in Chennai district in the Indian state of Tamil Nadu. Pulhal is located on the banks of Pulhal Lake. The town is known for Pulhal Central Prison.
Frederick Victor Arul (1917-2006) was a high-ranking Indian police officer and former director of Central Bureau of Investigation from Yangon. He was born in Nazareth,thoothukudi district
Vaiyapuri Periyakaruppiah is a retired judge of the Madras High Court in India.
C. Sylendra Babu is an Indian Police Service Officer who served as the Director General of Police and Head of Police Force,Tamil Nadu Police. He retired on June 30,2023 and was succeeded by Shankar Jiwal,IPS.
S. Sripal was an Indian police commissioner who was Director General of Police in Tamil Nadu.
The Tamil Nadu Fire and Rescue Services department is a service department of the Government of Tamil Nadu whose function is to fight fires and provide relief measures in times of calamities and disasters in Tamil Nadu.
Chennai has LGBTQIA cultures that are diverse concerning- socio-economic class,gender,and degree of visibility and politicisation. They have historically existed in the margins and surfaced primarily in contexts such as transgender activism and HIV prevention initiatives for men having sex with men (MSM) and trans women (TG).
Hariharan Raja Sharma also known as H. Raja is an Indian politician. He started his political-social life as an Rashtriya Swayamsevak Sangh (RSS) promoter. He was a MLA representing the Karaikudi constituency in the Tamil Nadu Legislative Assembly from 2001 to 2006. He was one of the national secretaries of the Bharatiya Janata Party from 2014 to 2020.
Tambaram City Municipal Corporation (TCMC) is a local government of the City of Tambaram within the Chennai Metropolitan Area of Tamil Nadu,India. It covers an area of 87.64 sq. km in the Chengalpattu district,and has an estimated 2021 population of 960,887.
The following list is a partially completed compilation of events considered to have a profound effect on the welfare or image of Tamil sexual minorities. The use of bold typeface indicates that the event is widely considered to be landmark:
Dr. A. K. Viswanathan,IPS, is an Indian Police Service officer of the 1990 batch. He is presently in the rank of Director General of Police and serves as the Managing Director of Tamil Nadu Police Housing Corporation Limited,a wholly owned Company of the Government of Tamil Nadu. TNPHC is engaged in various projects related to police housing and infrastructure. He served as the Commissioner of Police,Greater Chennai,from May 2017 to 1 July 2020.
Asra Garg is an Indian Police Service officer from the 2004 batch of Tamil Nadu Cadre.In 2023,Garg was posted as Additional Commissioner of Police,Law and Order (L&O),Chennai North in The Tamil Nadu Police.
The 2016 Ariyalur gang raperefers to the gang rape and murder of a pregnant 17-year-old minor Dalit girl,Nandhini,by a Hindu Munnani Union secretary and three of his friends in December 2016 in Ariyalur District. The men gang raped her and pulled out the fetus from her womb after cutting her genitalia with a blade. Nandhini died at the spot due to excessive bleeding. The men then threw her body into a nearby well. Her body was found in the well with her hands tied in a decomposed state,stripped of her clothes and jewellery.
Director general of police 
Presidents Police Medal for Gallantry 
Presidents Police Medal for Meritorious Service. 
50th Anniversary Independence Medal
