Singrauli is a city in Singrauli district in the Indian state of Madhya Pradesh and Commissionaire of Rewa .The area in the eastern part of the state of Madhya Pradesh and the adjoining southern part of Sonebhadra district in the state of UP is collectively known as Singrauli. Singrauli is emerging as India's energy capital. The place earlier known as Shringavali, named after the sage Shringi, was once covered with dense and unnavigable forests and inhabited by wild animals. The place was considered so treacherous that it was used by the kings of Rewa State, who ruled the area till 1947, as an open air prison for detaining errant civilians and officers.In the 1800s, there were three separate rulers of Singrauli (previously known as Sidhi), ruling three parts of the territory: First were the Chandela rulers from Bardi (Khatai). Second was Rajasahab Madwas, He was a Baland Rajput, ruled in Majhauli block mostly. Third was Rajasahab of Singrauli.On 24 May 2008, Madhya Pradesh government declared Singrauli as its 50th district by separating from Sidhi with 3 tehsils, Singrauli, Chitrangi and Deosar. On 1 April 2012 two new tehsils were added, Mada and Sarai.