It is vertically integrated and is involved in hydrocarbon exploration, production, refining and also has interests in the downstream business and operates over 1700 Retail Fuel Outlets in India.

[citation needed] The refinery project is being implemented at a capital cost of ₹27,000 crore being funded through a mix of equity and debt.

[citation needed] The International Energy Agency (IEA) estimates the average capital cost of new refinery in the OECD nations to be in the region of US$15,000 to 20,000 per barrel per day.

In 2012, reports surfaced in the media highlighting the fact that ONGC had chartered an oil rig owned by RIL in May 2009 (Dhirubhai Deepwater KG-1, also known as DDKG-1) without taking bids from any other companies.

[9] This was revealed in the report published by the Comptroller and Auditor General of India (CAG), the overseer of expenditures of the Indian Government.