Tiruvannamalai district is one of the district in the state of Tamilnadu in India. This district headquarters is at Tiruvannamalai down. The prefixed word "Thiru" meant greatness and "Annamalai" meant an inaccessible mountain and god Sivan. Thiruvannamalai Deepam festivel most famous festivel in Tamilnadu.

After independence Thiruvannamalai district was under in the  Arcot District. This Arcot district was divided into Vellore district and Thiruvannamalai District in October 1989. There were a total of 27,802 households. A total of 15,343 people constituting 13.29% of the total population belonged to Scheduled Castes (SC) and 1,497 people constituting 1.3% of the population belong to Scheduled tribes (ST). Tiruvannamalai had an average literacy rate of 82.27%: male literacy of 79.06%, and female literacy of 66.22%. A total of 13.12% of the population of the town was under 6 years of age. There were a total of 39,754 workers: 301 cultivators, 705 agricultural labourers, 962 in house hold industries, 35,382 other workers, 2,404 marginal workers, 25 marginal cultivators, 164 marginal agricultural labourers, 145 marginal workers in household industries and 2,070 other marginal workers.

Revenue Divisions : 1. Cheyyar 2. Thiruvannamali   

Taluks : 1. Arani  2. Chengam 3. Cheyyar 4. Kalasapakkam 5. Polur  6. Thandarampattu  7. Thiruvannamalai 8. Vandavasi. 

Corporations and Municipalities : 1. Arani  2. Vandavasi 3. Thiruvannamalai 4. Tiruvethipuram. 

This district has the 10 Town panchayats, 1067 Revenue villages, 860 Panchayat villages 

Thiruvannaamalai District has an area of 6,191 km² and the population of 3,468,965 in 2011 census. The ratio of male and female were 1,235,889 and 1,228,986 respectively. Thiruvannamalai has the sex ratio of 993 females for 1000 males.

Tiruvannamalai district borded north side by Vellore district, east side by Kanchipuram district, south side by Villupuram district, west side by Dharmapuri and Krishnagiri districts.

Tiruvannamali district famous tourist places are Arunachaleshwarar Temple(Tiruvannamalai), Sathanur Dam, Sri Ramana Ashramam, Gingee Fort, Melmalayanur.

Tiruvannamali Bus Stand near by Mathalangulam, Tiruvannamalai and Railway Station near by Railway Station Road, Mathalangulam,Tiruvannamali.

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