Mymensingh Sector was raised at Khagdahor of Mymensingh on 02 February 1976. The area of responsibility of this Sector is total 240 kilometers of border belt. Before the independence this was a Wing Headquarter and Recruit Training Center of the then East Pakistan Rifles (EPR). There are three Border Guard Battalion under Mymensingh Sector. These are 35 Border Guard Battalion at Jamalpur, 11 Border Guard Battalion at Netrakona and 27 Border Guard Battalion, co-located with Sector Headquarter at Mymensingh.