Britannica Sources used in this answer

Where are Assam’s oil refineries located?

Created from Britannica articles using AI. AI can make mistakes, so verify using Britannica articles.

Assam has four oil refineries located across the state:

  • Digboi: The site of the first refinery in South Asia, established in 1901.1
  • Guwahati: A refinery was established in the Noonmati area of the city in 1962.12
  • Bongaigaon: A refinery was established here following the development of the Guwahati facility.1
  • Numaligarh: The state’s fourth refinery was set up in 1999.1