One popular theory suggests that it is a misspelling of the Dzonkha word "Bangsa," which means a farmhouse and corridor.

[2] During the mid-17th century, the Bhutan kingdom took advantage of the political instability caused by the Ahom-Mughal conflict and seized control of these Dooars, south of their hills up to the Gohain Kamal Ali.

[2] Baksa was notified as one of the districts of Bodoland Territorial Council in October 2003 while it started functioning from 1 June 2004[4] when naturalist-bureaucrat Dr Anwaruddin Choudhury of the Assam Civil Service took charge as its founding Deputy Commissioner[citation needed].

It started working from PWD Inspection Bungalow of Barama beside the NH 31 until it was shifted to Mushalpur in late 2010[vague].

These sub-divisions are further divided into 13 revenue circles: Baksa, Barama, Tamulpur, Goreswar, Baganpara, Ghograpar, Barnagar, Bajali, Jalah, Patharighat, Rangia, Sarupeta and Tihu.

The park is well known for its tigers, greater one-horned rhinoceros, wild water buffaloes and golden langurs.

[11] Bogamati, Bhutan chowki[12] and Daragaon[13] are the famous picnic spot with picturesque beauties is located in Baksa.