Lagma is a village in the northern Indian state of Bihar representing the Rajput, Brahman, and Musahar communities.Lagma produce many engineer like Pinku Kumar,Aryan Anand etc.GeographyLagma is located on the bank of the Kosi River. It is surrounded by the river on three sides. Highway NH-107 passes through the village. It is about 25 kilometers from Saharsa district and 7 Kilometers from Sonbarsa Block. There are three schools in this village, one primary school, one middle school and One high school near NH-107.