Village Karsar of Nawanagar, Buxar comes under state BIHAR. This is situated 30 kms far from city DOMRAON. Total Population of Village is 5647 and household count is 820. For Education Village has facility of Govt Primary, Govt Middle, Govt Secondary, school.For higher education village also has .Village also has nearby education facility of .For health care village also has Primary Health Centre, Primary Heallth Sub Centre, Maternity And Child Welfare Centre, TB Clinic, Dispensary, Family Welfare Centre. Nearest water sources are Uncovered Well, Hand Pump, Tube Wells/Borehole, River/Canal. Waste water flows by open Drainage.