History of tea Sanjeevani plant is in fact a different plant and is not related to tea. The Singpho tribe and the Khamti tribe also validate that they have been consuming tea since the 12th century. However, commercial production of tea in India did not begin until the arrival of the British East India Company, at which point large tracts of land were converted for mass tea production. The Chinese variety is used for Sikkim, Darjeeling tea, and the Assamese variety, clonal to the native to Assam, everywhere else. The British started commercial tea plantations in India and in Ceylon: "In 1824 tea
Nilgiri tea After processing (which converts the green leaf into 'made tea'), most is sold through regularly scheduled auctions in Coonoor, Coimbatore and Kochi. More than 50% of Nilgiri tea is exported, and usually finds its way into blends used for tea bags. Data is unreliable on the precise proportion of Nilgiri tea that is actually exported. However, Neilson and Pritchard ("op cit") suggest that at least 70% of South Indian tea is exported, and the Nilgiris constitutes more than half of all South Indian production. The expensive hand-sorted, full-leaf versions of the tea like the Orange Pekoe (O.P.) are highly sought