East- Gandak river- well connected to neighboring district Siwan, Gopalganj, and Chapra well connected with both by rail and road link, from where there is frequent transport facility available day and night, it is only about 50 miles from utter pardesh border that surround it to from west, north and even from southern side. it has its catchment area, upto sahebganj in Muzafferpur,district, Arreraj, kesaria in Motihari district , Bettia and Raxaul & bordering area of U.P .and Bihar and Nepal.