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
Brazilian tea culture industry, was heavily dependent on slave labor to work on the plantations. When slavery was abolished in 1888, the tea trade collapsed. In the 1920s, the tea industry was revived by Japanese immigrants, who introduced tea seeds from Sri Lanka and India. Prior to this time, only Chinese tea varieties had been grown in Brazil. Brazil's largest tea-producing region is near Registro, a coastal city near São Paulo. Registro is in the Brazilian Highlands and forms a terrain of low rolling hills that are ideal for mechanized tea production. The growing season in Brazil is from September to April; the