Cheyyar is located at 12.6580°N 79.5424°E on the banks of Cheyyar River in the northeastern corner of Thiruvannamalai district of Tamil Nadu. It is 100 km southwest of Chennai the state capital.
Climate
In Cheyyar, the wet season is hot, oppressive, and overcast and the dry season is sweltering, muggy, and partly cloudy. Over the course of the year, the temperature typically varies from 17 °C to 40 °C and is rarely below 15 °C or above 44 °C. The wetter season lasts 5.2 months, from July 4 to December 9, with a greater than 27% chance of a given day being a wet day. The chance of a wet day peaks at 50% on November 1. The drier season lasts 6.8 months, from December 9 to July 4. The smallest chance of a wet day is 3% on February 1.
Demographics
According to 2011 census, Tiruvethipuram had a population of 53,802 with a sex-ratio of 1,014 females for every 1,000 males, much above the national average of 929. A total of 3,749 were under the age of six, constituting 1,940 males and 1,809 females. Scheduled Castes and Scheduled Tribes accounted for 12.81% and.56% of the population respectively. The average literacy of the town was 76.59%, compared to the national average of 72.99%. The town had a total of : 9162 households. There were a total of 14,580 workers, comprising 294 cultivators, 489 main agricultural labourers, 1,247 in house hold industries, 11,205 other workers, 1,345 marginal workers, 20 marginal cultivators, 109 marginal agricultural labourers, 206 marginal workers in household industries and 1,010 other marginal workers. As per the religious census of 2011, Tiruvethipuram had 88.6% Hindus, 9.4% Muslims, 1.11% Christians, 0.02% Sikhs, 0.02% Buddhists, 0.46% Jains, 0.38% following other religions and 0.01% following no religion or did not indicate any religious preference.
Industrialization
Cheyyaru started industrialization following the establishment of the industrial complex by the State Industries Promotion Corporation of Tamil Nadu. with an allotable field area of 619.35 Acres. Since the investment hot-spots such as Sriperumbudur and Oragadam have become overcrowded, Cheyyaru has become an alternative choice. This is evidenced by the recent announcements of a hi-tech Special Economic Zone for automotive components, a electronics hardware park and the commitment from the Taiwanese Shoe Company to set up its unit. One of the largest sugar mills in the country - Cheyyar co-operative sugars - is situated near the town. In November 2009 Tamil Nadu cabinet approved the Mahindara & Mahindra's Rs 1800 core automobile project in 450 acres. This unit will produce tractors, SUVs and commercial vehicles and auto parts. Aluminum die cast unit by Ashley Alteams, a joint venture by Ashok Leyland and Finland-based Alteams Oy started its production in January 2010. This High pressure die cast will manufacture automobile and telecommunication components with initial capacity of 7000 ton per year.
Cheyyar cooperative sugar mill
Cheyyar Sugar mill is one of the important sugarcane processing industries in the state. Sugar refining mill as a green field distillery has setup in Anakkavoor - Thenthandalam village. It has a processing capacity of 2500 tonnes of crushing daily with an annual production 19,000 tonnes of sugar as per 2009 report.
