 Namrup is perhaps the most industrialised town in the entire upper Assam area.Namrup is the first place in India where a natural gas based fertilizer factory was established - It made use of natural gas, water (in the form of steam) and Nitrogen (from air) to produce urea.At first, it was under the administrative control of FCIL (Fertilizer Corporation of India) but later it was transferred to HFCL (Hindustan fertilizer Corporation Ltd.).