Ques : Numaligarh, Bongaigaon and Digboi in Assam are known for which of these plants?

oil refineries

Ques : Numaligarh, Bongaigaon and Digboi in Assam are known for which of these plants?

A. Chemical fertilizers

B. Oil Refineries

C. Steel

D. Cement

Ans : B. Oil Refineries