is an administrative district
in the state of Tamil Nadu
. The district headquarters are located at Perambalur
. The district occupies an area of 1,752 km² and has a population of 4,93,646 (as of 2001).
Perambalur district is a centrally located inland district of Tamil Nadu, spread over 3,69,007 ha, which was trifurcated from the erstwhile composite Tiruchirappalli district
and was formed on 1 November 1995. The district is bounded by Cuddalore district
in the north, Tiruchirappalli district in the south, Thanjavur
in the east and Namakkal
and Tiruchirappalli districts in the west. The total geographical area of the district is 3,69,007 ha, and net sown area and gross sown area are 2,16,422 ha and 2,37,136 ha, respectively. The net area under irrigation is 71,624 ha.
The district lies in the Southern plateau & hill zone of Agro-climate regional planning with characteristics of semi-arid climate. The soil is predominantly red loamy
and black soil. The normal rainfall of the district is 908 mm which is less than 946.9 mm, the normal rainfall of the State. The precipitation during northeast monsoon, southwest monsoon and remaining winter & hot weather period account for 52%, 34% and 14% of annual rainfall, respectively.Cauvery
is the major river flowing in the region and the composite district has a canal system covering just 47 km stretch and ayacut of 11,610 ha. The ground water resource through......