The main mineral found in upper Brahmaputra valley is
A. Coal
B. Iron are
C. Petroleum
D. Manganese
Answer: Option C
Solution (By Examveda Team)
Main mineral found in upper Brahmaputra valley is petroleum. British in 1901 started extracting petroleum in Digboi district of Assam. It is oldest petroleum refinery in India.This Question Belongs to Geography >> Natural Resources And Industries In Indian Geography
Join The Discussion