Khaira is a Sub-District (Tehsil/Block/Mandal) in the Jamui District of Bihar. As par Census 2011 information the sub-district code of Khaira is 01532. There are about 10 sub-districts in Jamui and Khaira is one of them. Barhat, Chakai, Gidhaur, Islamnagar Aliganj, Jamui, Jhajha, Lakshmipur, Sikandra, Sono etc. are other sub-districts in Jamui.There are about 95 villages in Khaira sub-district, which you can browse from villages list.