Koderma district is plateau territory and around 60% of the total area is covered with forests.

The first dam of the Damodar Valley Corporation, at Tilaiya was built across the Barakar River and inaugurated in 1953.

According to the 2011 Census of India, Karma had a total population of 5,753, of which 2,992 (52%) were males and 2,761 (48%) were females.

[4] According to the District Census Handbook 2011, Kodarma, Karma covered an area of 1.82 km2.

Among the civic amenities, it had 15 km roads with both open and closed drains, the protected water supply involved uncovered well, hand pump.