The history of the Indian oil industry extends back to the period of the British Raj, at a time when petroleum first became a primary global energy source.
The history of the Indian oil industry extends back to the period of the British Raj, at a time when petroleum first became a primary global energy source. (en)
The history of the Indian oil industry extends back to the period of the British Raj, at a time when petroleum first became a primary global energy source. (en)