History of tea in India Upper Assam; in 1840, the Assam Tea Company began the commercial production of tea in the region, run by indentured servitude of the local inhabitants. [This tea was not for export - dis ambiguities needed] Beginning in the 1850s, the tea industry rapidly expanded, consuming vast tracts of land for tea plantations. By the turn of the century, Assam became the leading tea producing region in the world. India was the top producer of tea for nearly a century, but recently China has overtaken India as the top tea producer due to increased land availability. Indian tea companies have acquired
Lipton Institute of Tea major tea-growing regions (such as India and Kericho, Kenya, where Unilever owns tea plantations) and other key tea-drinking markets (including France, Japan, China, and the USA). The Institute claims as its mission "to promote awareness and understanding of tea, from bush to cup". The Institute also participates in and organises scientific conferences. Integral to the Institute’s research facilities is its operation of what it claims is the world’s most northerly tea plantation at its UK headquarters. This facility grows representative samples of tea from around the world in a controlled environment. The Institute invests in clinical trials to support benefit