On your reference I will gather information about Indian Oil Corporation Limited and will also provide let you know its Exploration and Production assets of company at domestic and overseas level.

The Indian Oil Corporation Limited was setup in 1958 which focuses on hydrocarbon value-chain, including refining, pipeline transportation, marketing of petroleum products with strength of 33,135, out of which 16,545 are in the officer cadre.

Divisions
Refineries Division
Pipelines Division
Marketing Division
R&D Division
Petrochemicals Division
Exploration & Production (E&P) Division
Explosives and Cryogenics Division

Exploration and Production assets



Refinery locations
Barauni Refinery
Bongaigaon Refinery
CPCL, Chennai
CPCL, Narimanam
Digboi Refinery
Guwahati Refinery
Haldia Refinery
Koyali Refinery
Mathura Refinery
Panipat Refinery
Paradip Refinery

Businesses
Bulk / Industrial Fuels
Aviation Fuel
Marine Oils
Bitumen
SERVO Lubes & Greases
Fuel Mgmt / Consumer Pumps
Commercial / Reticulated LPG
Non-Fuel Alliances
Loyalty Programmes
Natural Gas
Petrochemicals
Special Products
Indane NANOCUT
Cryogenics
Non-PDS Superior Kerosene Oil
Explosives
Consultancy

Address:-
Indian Oil Corporation Limited
IndianOil Bhavan
G-9, Ali Yavar Jung Marg,
Bandra (East), Mumbai -400 051