About Koderma
Koderma is a city in the Koderma district in the Indian state of Jharkhand. Koderma is bordered by Nawada district of Bihar on the north, the Gaya district of Bihar on the west, the Giridih district of Jharkhand on the east, and the Hazaribagh district of Jharkhand on the south.Koderma is surrounded by forests. The main rivers of the district are Barakar, Barsoi and Sakri. 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.
Source: Wikipedia