The world-famous Castleton Black Tea is cultivated in the Kurseong valley of Darjeeling District. The beautiful long black leaves produce a cup of amber liquor with a musky aroma that makes the tea lovers long for it! This special tea needs to be introduced anywhere around the globe and is just famous by its name and taste! With low levels of caffeine present in it, this whole leaf best black tea brew hits you with a strong punch while the fruity aroma rejuvenates you in its every sip. One of the finest teas from Darjeeling, a cup of this leaves subtle sweet honey-like aftertaste with you!