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
Seven Color Tea plantations in the world, both in size and production. Traditionally, the Sylhet region is the most important tea-growing area in the country. Three out of the four districts in Sylhet Division are tea-producing districts: Maulvi Bazar, Habiganj and Sylhet. Srimangal, a town in Moulvibazar, is known as the tea capital of Bangladesh and is famous for being surrounded for miles around by hill slopes covered with tea gardens. Being located on hills and within dense forests, Srimangal experiences heavy rainfall and wet winters. As this is a desirable environment for excellent tea production, 38 tea plantations have been established here.