Name : Bongaigaon District  
Information : After Guwahati, Bongaigaon is the second-largest city in Lower Assam, and the city area includes both Bongaigaon and Chirang district. Bongaigaon is one of the most significant cities in Assam and the unofficial commercial capital. The city is one of Assam's and North-East India's largest industrial and commercial centres.