1991 a part of Dhanbad was sliced away from Bokaro district, diminishing thereby its total area to 2995 km2. Earlier, the district was split into two sub – divisions – Dhanbad Sadar and Baghmara. The former incorporated 6 blocks, while the latter had four and together they enclosed 30 Nagar Palikas, 228 Panchayats and 1654 villages. The then vastness of the district called for two police headquarters, based at Bokaro and Dhanbad respectively. Meanwhile, the district as its stands today, has only one sub-division called the Dhanbad Sadar. There are presently, 8 blocks here viz. Jharia, Baghmara, Dhanbad, Nirsa, Govindpur, Baliapur, Tundi, and Topchanchi. The blocks in turn have 181 panchayats and 1348 villages. As per the 1991 Census, the total population of the districts stands at 19,49,526 of which the number of males have been recorded as 10,71,913 along with 8,77,613 females. There are of hillocks and of forests. It is about 500–1000 feet above Sea level. Its soil is, by and large lateritic in nature. The district is currently a part of the Red Corridor. Geography The district is bounded on the west by Giridih and Bokaro on the north by Giridih and Dumka and on the east and south by Purulia district of West Bengal. It is situated in the state of Jharkhand and lies between 23°37'3" N and 24°4' N latitude and between 86°6'30" E and 86°50' E longitude. Natural divisions The district can be divided into three broad natural divisions, namely, (I) the north and north western portions consisting of the hilly region, (ii) the uplands containing coal mines and most of the industries and (iii) the remaining uplands and plains lying to the south of the Damodar river consisting of cultivable flat lands. The north and north western division is separated for the entire length by the Grand trunk road. In the western middle part of the district are the Dhangi hills, situated in the strip falling between the Grand trunk road in the north and the Grand chord line of the Eastern Railway. In the south, these hills extend from Pradhankhanta to Govindpur, reaching a maximum altitude of 1,256 feet at Dhangi. Further north, a branch of the Parasnath hill runs through Topchanchi and Tundi, the highest point of 1,500 feet being reached at Lalki. The southern part of the district is largely undulating land. The general slope is from west to east,