Pusa is a Sub-District (Tehsil/Block/Mandal) in the Samastipur District of Bihar. As par Census 2011 information the sub-district code of Pusa is 01289. There are about 20 sub-districts in Samastipur and Pusa is one of them. Bibhutpur, Bithan, Dalsinghsarai, Hasanpur, Kalyanpur, Khanpur, Mohanpur, Mohiuddinagar, Morwa, Patori, Rosera, Samastipur, Sarairanjan, Shivaji Nagar, Singhia, Tajpur, Ujiarpur, Vidyapati Nagar, Warisnagar etc. are other sub-districts in Samastipur.There are about 37 villages in Pusa sub-district, which you can browse from villages list.