Bihar Sector, CRPF has been established on 01/08/1991 vide Directorate General, CRPF, New Delhi Order No. O.IV.22/91-ORG dated 09/07/1991. Earlier AOR of Bihar Sector was part of erstwhile Eastern Sector CRPF. Further, after division of Bihar State a separate Jharkhand Sector was earved out from Bihar Sector on 02/07/2010. Presently, whole areas of Bihar State falls under AOR of Bihar Sector having 10 Adm Bns, 02 Group Centers and 01 CH AT Muzaffarpur.
The Following IsG have held charge of Bihar Sector since its inception