Indian tea culture the Yandaboo Treaty. In 1837, the first English tea garden was established at Chabua in 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. Beginning in the 1850s, the tea industry rapidly expanded, consuming vast tracts of land for tea plantations. By the start of the 20th century, Assam became the leading tea producing region in the world. But despite the discovery of the indigenous "Camellia sinensis" plant, the tea industry in India began with 42,000 seedlings germinated from a consignment of 80,000 seeds
Kangra tea After a further decline of produce in the 21st century, research and techniques are being promoted, aimed at reviving the brand by increasing the produce. In 2012, the then Union Minister for Commerce & Industry, Anand Sharma, laid the foundation stone for the Palampur regional office of the Tea Board of India, marking a significant step towards the re-integration of the Kangra region into the mainstream of the Indian tea industry. Although Kangra cultivates both black tea and green tea, black tea constitutes around 90 percent of the production. As of May 2015, there are 5,900 tea gardens in the