After discovery of oil in the Assam state of India in late 1880s, the first oil refinery was set up at Digboi. Digboi Refinery was commissioned in 1901.[1] Following is a list of oil refineries in India, per the Petroleum Planning and Analysis Cell of the Ministry of Petroleum and Natural Gas, Government of India,[2] arranged in decreasing order of their capacity.
As a group, Indian Oil Corporation has the largest refining capacity, with nine refineries located across western, northern and north-eastern regions of India. The Jamnagar Refinery by Reliance Industries Limited is the largest refinery in the world[3] and has the largest Nelson Complexity Index in India of 21.1.[4] Various refineries are undergoing capacity expansions, and the Barmer Refinery is expected to be commissioned in January 2024.[5]
List
Upcoming refineries
No. | Refinery | Oil company | Sector | State | Location | Capacity (106 tonnes/y) | Stage |
---|---|---|---|---|---|---|---|
1 | Barmer Refinery | HPCL Rajasthan Refinery Limited (HRRL) | Joint Venture of Public sector | Rajasthan | Barmer
(now Balotra district) of Rajasthan |
9 | Expected to commission in January 2024.[5] |
2 | Ratnagiri Refinery | Ratnagiri Refinery And Petrochemicals Limited (RRPCL) | Joint Venture of Public sector | Maharashtra | Not finalized | 60 | Planning stage.[26] |
3 | Vidarbha Refinery | Maharashtra | Not finalized | Planning stage.[27] | |||
4 | Bargarh Refinery | Odisha | Bargarh | Planning stage.[28] |
Location map

Public Sector
Private Sector
Joint Venture
Upcoming
See also
References
- ↑ "Digboi Refinery". Indian Oil Corporation Limited. Retrieved 11 May 2023.
- ↑ "Map of Refineries in India" (PDF).
- ↑ "Reliance commissions world's biggest refinery". The Indian Express. 26 December 2008. Retrieved 9 January 2019.
- 1 2 3 4 5 "Reliance's refinery complexity index rises to 21.1". The Economic Times.
- 1 2 "HPCL Rajasthan Refinery Project will be fully functional by 2024, says Petroleum minister". Economic Times. 21 February 2023. Retrieved 11 May 2023.
- ↑ "Nelson complexity index" (PDF).
- ↑ "Press Release Nayara Energy Limited" (PDF).
- ↑ "BPCL's Kochi refinery now the largest public sector refining unit in India".
- ↑ "Mangalore Refinery and Petrochemicals Limited".
- ↑ "Indian Oil to expand Panipat refinery with capex of Rs 32,946 crore". Business Standard. 27 February 2021. Retrieved 17 October 2022.
- ↑ "IOC's Gujrat refinery to expand capacity to 18 MTPA by 2020". Financial Express. 1 September 2016. Retrieved 17 October 2022.
- ↑ "HPCL-Mittal Energy Limited".
- ↑ "Chennai Petroleum Corporation Limited".
- ↑ "India's HPCL to operate Vizag refinery at expanded capacity from end-June". The Economic Times. 2023-01-22. ISSN 0013-0389. Retrieved 2023-02-24.
- ↑ "Fitch Affirms Hindustan Petroleum at 'BBB-'".
- ↑ "Refining | IndianOil Refining".
- ↑ "Privatisation-bound BPCL acquires OQ's stake in Bina refinery". Business Standard. 31 March 2021. Retrieved 11 May 2023.
- ↑ "Investor Presentation - Bharat Petroleum FY21" (PDF).
- ↑ "About Us".
- ↑ "Fitch Affirms Hindustan Petroleum at 'BBB-'".
- ↑ "IOC expanding Barauni refinery as part of ₹2.05 tn projects under implementation". Live Mint. 27 August 2020. Retrieved 17 October 2022.
- ↑ Singh, Bikash (30 December 2021). "Numaligarh Refinery achieves financial closure for its upcoming refinery expansion project". Economic Times. Retrieved 17 October 2022.
- ↑ "Fitch Affirms Bharat Petroleum at 'BBB-'".
- ↑ "IOC, CPCL start working on Rs 31,580-cr refinery project at Nagapattinam". Business Standard. 27 September 2021. Retrieved 17 October 2022.
- ↑ "IOC to invest Rs 740 crore to raise Digboi refinery capacity in Assam". Business Standard. 30 June 2022. Retrieved 17 October 2022.
- ↑ "Ratnagiri super refinery project once again snowballs into controversy". Deccan Herald. 25 April 2023. Retrieved 11 May 2023.
- ↑ "MIDC orders feasibility study for petrochemical complex in Vidarbha". The Times of India. 2023-05-05. ISSN 0971-8257. Retrieved 2023-05-12.
- ↑ https://www.livemint.com/news/india/bargarh-2g-bio-refinery-set-to-give-momentum-to-green-growth-dharmendra-pradhan-11686492064819.html