In 1985, AMOCO disinvested in favour of GOI and the shareholding percentage of GOI and NIOC stood revised at 84.62% and 15.38% respectively. Later GOI disinvested 16.92% of the paid up capital in favor of Unit Trust of India, Mutual Funds, Insurance Companies and Banks on 19th May 1992, thereby reducing its holding to 67.7 %. The public issue of CPCL shares at a premium of Rs. 70 (Rs. 90 to FIIs) in 1994 was oversubscribed to an extent of 38 times and added a large shareholder base.
As a part of the restructuring steps taken up by the Government of India, Indian Oil acquired equity from GOI in 2000-01. In July 2003, NIOC transferred their entire shareholding to Naftiran Intertrade Company Limited, an affiliate, in line with the Formation Agreement, as part of their organizational restructuring. Currently IOC holds 51.89% while NICO holds 15.40%.
CPCL has two refineries with a combined refining capacity of 11.5 Million Tonnes Per Annum (MMTPA). The Manali Refinery has a capacity of 10.5 MMTPA and is one of the most complex refineries in India with Fuel, Lube, Wax and Petrochemical feedstock production facilities. CPCL's second refinery is located at Cauvery Basin at Nagapattinam. This unit was set up in Nagapattinam with a capacity of 0.5 MMTPA in 1993 and later enhanced to 1.0 MMTPA.
The main products of the company are LPG, Motor Spirit, Superior Kerosene, Aviation Turbine Fuel, High Speed Diesel, Naphtha, Bitumen, Lube Base Stocks, Paraffin Wax, Fuel Oil, Hexane and Petrochemical feed