Explanation:

Koderma district is one of the twenty-four districts of Jharkhand state, India, and Koderma is the administrative headquarters of this district. Koderma district was created on 10 April 1994, after being carved out of the original Hazaribagh district. It is currently a part of the Red Corridor.

Koderma is surrounded by forests. The main rivers of the district are Barakar, Barsoi and Sakri. Dhawajadhari Pahar is a hill dedicated to lord Shiva, where at Mahashivratri many devotees assemble to worship the god. Chanchal dham (hill) which is located 12Km away from Nawadih railway station and 30 km from Koderma junction railway station, is dedicated to Maa Chanchalni. Many devotees gather here for the festivals of durga pooja, ramnavmi, akhari pooja, etc to worship Chanchalni Maa to fulfill their desires. Koderma district is richly endowed with natural resources. Quartz, feldspar, asbestos, blue stone, white stone and moon stone are the minerals found here. At one time, Koderma was considered as the mica capital of India.