Digboi in ((Assam)) is surrounded by numerous Tea Gardens and mystic blue hills. It is a major oil town. A hundred year old Refinery and it's hundred and twelve year old oil field still exist here. The Digboi Refinery came into being in 1901 as the first refinery of Asia and as the second one in the world. Today, the oil field and refinery are the oldest continuing oil field and refinery in the world. There is also a War Cemetry in Digboi which is a place of interest for tourists.