Which is common to Guwahati, Barauni, Koyali, Haldia, Digboi and Mathura?

A. Public sector refineries, owned by the Indian oil corporation are located in these places

B. They are prominent game sanctuaries

C. They are hill stations

D. Oil and natural gas commission has its units in all these places

Answer: Option A

Solution(By Examveda Team)

In Guwahati, Barauni, Koyali, Haldia, Digboi and Mathura, public sector refineries, owned by the Indian oil corporation are located in these places.