Village Kaarmaini of Kochas, Rohtas comes under state BIHAR. This is situated 25 kms far from city SASARAM. Total Population of Village is 662 and household count is 101. For Education Village has facility of school.For higher education village also has .Village also has nearby education facility of .For health care village also has .Nearest water sources are Uncovered Well, Hand Pump, Tube Wells/Borehole, River/Canal. Waste water flows by open Drainage.