The oldest oil refinery in India is at
A.Digboi, Assam
B.Haldia, near Kolkata
C.Koyali, near Baroda
D.Noonmati, Assam
Answer:A
The oldest oil refinery in India is at
A.Digboi, Assam B.Haldia, near Kolkata C.Koyali, near Baroda D.Noonmati, Assam