Nepali tea teas like green tea, oolong tea, white tea and hand rolled tea fall under the category of orthodox tea. In Nepal, orthodox tea is produced and processed in the mountainous regions of Nepal at an altitude ranging from 3,000 – 7,000 feet above the sea level. There are six major districts, primarily in the eastern regions of Nepal that are known for producing quality orthodox tea, which are Ilam, Panchthar, Dhankuta, Terhathum, Sindhulpalchok and Kaski. Orthodox tea in Nepal is characterized by four flushes:- Crush, tear, curl (CTC) tea is a method of processing Assam variety "(Camellia sinensis" var. "assamica)",
Camellia sinensis popular teas. "C. sinensis" var. "waldenae" was considered a different species, "Camellia waldenae" by SY Hu, but it was later identified as a variety of "C. sinensis". This variety is commonly called Waldenae Camellia. It is seen on Sunset Peak and Tai Mo Shan in Hong Kong. It is also distributed in Guangxi province, China. Three main kinds of tea are produced in India: Tea leaves are eaten by some herbivores, like the caterpillars of the willow beauty ("Peribatodes rhomboidaria"), a geometer moth. Although health benefits have been assumed throughout the history of using "Camellia sinensis" as a common beverage,