The oldest oil field in India is in
-
Haldia
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Bombay High
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Neyveli
-
Digboi
D
Correct answer
Explanation
Digboi in Assam is the oldest oil field in India, discovered in 1889 and operational since 1901. Bombay High (offshore Mumbai) was discovered much later in 1974. Haldia is a port city, and Neyveli is known for lignite (brown coal), not oil.