Chengalpattu is a defunct Lok Sabha constituency in Tamil Nadu. It was earlier known as Chingleput. This constituency no longer exists, since it was removed after 2009, due to delimitation. Chengalpattu Lok Sabha constituency was composed of the following assembly segments : Chengalpattu, formerly known as Chingleput,[1] is located on the GST Road and southwest of Kanchipuram in Kanchipuram district, under Chennai Metropolitan region in the state of Tamil Nadu, India. The British Government called this whole district Chingleput; now it is named Kanchipuram District. Chengalpattu is the 2nd largest town in the district, after Kanchipuram. Chengalpattu Railway Station, generally known as CGL, is one of the major railway junctions of the Southern Railway and is a nationally important halt. It is the headquarters of the Chengalpattu Taluk of the district and is 55 kilometres (34 mi) southwest of the state capital, Chennai on the National Highway 45. Chengalpattu Government Hospital is a landmark and the largest government hospital in this district. The Hospital has a medical college. The town has the principal court of the district, and Dr. Ambedhkar Law College. The city is believed to have been named after a lily called 'chenkazhuneer poo' which is found aplenty in the region. It is on the Palar River about 56 km southwest of Chennai city (Madras). Chengalpattu is an important commercial center. It has a medical college and other colleges affiliated with the University of Madras. As of 2011, the town had a population of 62,579.
