Topchanchi is a Sub-District (Tehsil/Block/Mandal) in the Dhanbad District of Jharkhand. As par Census 2011 information the sub-district code of Topchanchi is 02581. There are about 9 sub-districts in Dhanbad and Topchanchi is one of them. Baghmara Cum Katras, Baliapur, Dhanbad Cum Kenduadih Cum Jagata, Gobindpur, Jharia Cum Jorapokhar Cum Sindri, Nirsa Cum Chirkunda, Purbi Tundi, Tundi etc. are other sub-districts in Dhanbad.There are about 114 villages in Topchanchi sub-district, which you can browse from villages list.