|Time zone||IST (UTC+5:30)|
The area is one of the 163 notified areas (megalithic sites) in the state of Tamil Nadu.
As of 2001[update] India census, Puzhal had a population of 20,297. Males constitute 49% of the population and females 51%. Puzhal has an average literacy rate of 76%, higher than the national average of 59.5%: male literacy is 84%, and female literacy is 68%. In Puzhal, 14% of the population is under 6 years of age. Puzhal is now Chennai District. Major to supply water to chennai people. The landscaped frontage of the huge complex resembles that of a luxury hotel. Only, this is no hotel or office complex. This is the Puzhal Prison Complex, a bold attempt by the Tamil Nadu Government to redefine the very concept of jail, which is ready to host the `guests'.
Bold, because every idea conceived for an ideal prison, but remained on paper, has been translated into reality in the Rs.75-crore project.
The Puzhal Lake is located in Madhavaram taluk of Chennai District, Tamil Nadu, South India . It is one of the two rain-fed reservoirs from where water is drawn for supply to Chennai City, the other one being the Chembarambakkam Lake. This also called as Redhills Lake. Previously this was used as an Irrigation lake. During the British Rule, it was utilised as a Military Camp. That is why Puzhal Town is also expressed as Camp. This lake was used as an Airport for Water plans for to make a landing and takeoff. There was a concrete ramp to bring the floating crafts and vessals to the then Workshop and the remains can be seen. There was a big Bangalow for the Military personals with Wind mill pump house, sump, overhead tank, a small swimming pool, Tennis court and a mini Theatre for the military use. In order to feed the water plans, there were few huge M.S.tanks for oil storage on the earthern bunds of this lake. For this heavy movement of vehicles, the earthern bunds are enforced with concrete paths. The lake and its water was made to quench the thirst of Chennaities right from the year 1868. This lake gets it s supply from Poondi Reservoir and the Cholavaram Lake, through its Upper and Lower Supply Channals. Thus the irrigation utility was stopped. Nowadays Poondi Reservoir and Sembaramapkkam Lakes interlinked to get water from Kandaleru (Telugu Ganga Project)and at present, the Redhills Lake is made to fill on both sides apart from the rain water from the Catchment areas. Its water spreading area is around 7.5 km and with much storage capacity, when compared Poondi and Cholavaram Lakes.But No Govt Hospital Or PHS
Puzhal Central Prison is located in Chennai, India. The prison began operation from year 2006 replacing the erstwhile Chennai Central Prison.
The plan for the construction of Puzhal prison was conceived during the early 2000s. Sites in Puzhal and in Maraimalai Nagar were inititally considered and the final decision to construct in Puzhal was made due to the availability of large piece of Government owned land.  It was constructed by Tamil Nadu Police Housing Corporation (TNPHC) for a cost of 1,770 million in less than 3 years. It was inaugurated by then chief minister of Tamil Nadu, M. Karunanidhi, on 26 November 2006.
- Madhavan, D. (20 December 2012). "National Institute of Siddha modifies expansion plan". The Hindu (Chennai: The Hindu). Retrieved 23 Dec 2012.
- "Census of India 2001: Data from the 2001 Census, including cities, villages and towns (Provisional)". Census Commission of India. Archived from the original on 2004-06-16. Retrieved 2008-11-01.
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