They also prevent frigid, dry Arctic winds blowing south into the subcontinent, which keeps South Asia much warmer than corresponding temperate regions in other continents.
Tea is grown in plantations mainly on the hills and on the plain at the foot of the mountains in the Darjiling district. Plantations also produce limited amounts of tea in the Kangra valley
There are extensive grasslands and forests, workable mineral deposits, easy-to-harness waterpower, and great natural beauty for the people in the mountains.