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
Pu'er tea the most highly valued, followed by fall tea, and finally summer tea. Only rarely is pu'er produced in winter months, and often this is what is called "early spring" tea, as harvest and production follows the weather pattern rather than strict monthly guidelines. Factories are generally responsible for the production of pu'er teas. While some individuals oversee small-scale production of high-quality tea, such as the Xizihao and Yanqinghao brands, the majority of tea on the market is compressed by factories or tea groups. Until recently factories were all state-owned and under the supervision of the "China National Native Produce &