Chirang is the name of the new district formed in the BTC area of Assam. Chirang is also an old spelling for the Tsirang district of Bhutan. National colours of Bodoland Bodoland is the name adopted by Bodo nationalists in Assam, India to denote their homeland, over which they want to exercise greater control. ... Assam   (Assamese: অসম Ôxôm) is a northeastern state of India with its capital at Dispur. ... Tsirang, previously Chirang, is one of the 20 dzongkhag (districts) comprising Bhutan. ...