Tea production in Bangladesh tea began in the Mulnicherra Estate in Sylhet in 1857. The Surma River Valley in the Sylhet region emerged as the centre of tea cultivation in Eastern Bengal. Plantations also flourished in Lower Tippera (modern Comilla) and Panchagarh which in North Bengal.Panchagarh is the only third tea zone in Bangladesh and most demanded teas cultivated here. Tea was a major export of British Bengal. The Assam Bengal Railway served as a lifeline for the industry, transporting tea from growers in the Surma and Brahmaputra Valleys to exporters in the Port of Chittagong. The Chittagong Tea Auction was established in 1949
North Bengal Tea Industry North Bengal Tea Industry The North Bengal Tea Industry production areas are in the North Bengal region of West Bengal state, in Eastern India. It include tea estates and facilities in the districts of Darjeeling, Jalpaiguri, Cooch Behar, Kishanganj and North Dinajpur in West Bengal. North Bengal has about 450 tea gardens spread out in the Darjeeling Hills, Terai, and Dooars regions that are registered as sellers in the Siliguri Tea Auction Centre. The youngest tea gardens are Chinchula Tea Estate,Raimatang Tea Estate and Kalchini Tea Estate all of which are 72 years old. The largest tea garden is Samsing