Chas is a community development block that forms an administrative division in the Chas subdivision of the Bokaro district, Jharkhand state, India. Overview Bokaro district, a part of the Chota Nagpur Plateau, has undulating surface with the altitude varying between 200 and 282 m. Topographically, the entire area is divided into three parts – the Bokaro uplands in the west, the Bokaro-Chas uplands in the middle and Barakar basin in the east. The general slope of the region is from the west to the east. The main rivers are the Damodar, Garga, Parga, Konar and Gobei. The district, covered with hills and forests, is a mining-industrial area. With the construction of the gigantic Bokaro Steel Plant in the nineteen sixties, it has become the focal point of this district. Maoist activities Jharkhand is one of the states affected by Maoist activities. , Bokaro was one of the 14 highly affected districts in the state., Bokaro was identified as one of the 13 focus areas by the state police to check Maoist activities. Geography Chas is located at . Chas CD block is bounded by Chandrapura CD block and Baghmara CD block, in Dhanbad district, on the north, Chandankiyari CD block on the east, Purulia I and Joypur CD blocks, in Purulia district of West Bengal, on the south, and Jaridih CD block on the west. Chas CD block has an area of 573.95 km2. It has 54 gram panchayats, 128 villages and 2 census towns. Bokaro Steel City, Mahila, Sector IV, Sector VI, Sector XII, Chas, Chas (M), Pindrajora, |Harla and Balidih police stations are located in this CD block. Headquarters of this CD Block is at Chas. Demographics Population According to the 2011 Census of India, Chas CD block had a total population of 671,762, of which 249,083 were rural and 422,679 were urban. There were 352,726 (53%) males and 319,036 (47%) females. Population in the age range 0-6 years was 91,728. Scheduled Castes numbered 97,024 (14.44%) and Scheduled Tribes numbered 64,434 (9.59%). Chas CD block has two census towns (2011 population figure in brackets): Bokaro Steel City (414,827) and Bandhgora (7,859). Bokaro Steel City Urban Agglomeration is composed of Bokaro Steel City (Census Town), Chas (Nagar Nigam) and Bandhgora (CT). Large villages (with 4,000+ population) in Chas CD block are (2011 census figures in brackets): Pupunkighatbera (5,928), Narayanpur (7,167), Tentulia (7,085), Ghatiali (10,362), Chakalia (4,200), Kanrra (8,352), Kumri