Plasgachhi is a village in Udhwa tehsil in district of Sahibganj, Jharkhand, India. As per the data provided by Census of India in 2011, total population of Plasgachhi was 1,636 which includes 852 males and 784 females. Plasgachhi covers 593.68 ha area. Pincode of Plasgachhi is 816108.