The LuPech project will produce import substitutes like Lube Oil Base Stock (LOBS) and Polypropylene. : State-owned Indian Oil Corporation (IOC) on Monday said it has signed up an investment pact for adding petrochemical and lube plants to its previously announced plan to expand crude oil processing capacity at its Koyali refinery at Vadodara in Gujarat. Expanding refining capacity by 4.3 million tonnes per annum to 18 million tonnes and adding plants to produce 500,000 tonnes per annum of polypropylene and 2,35,000 tonnes of lube oil base stock at the site would see total investment of about Rs 24,000 crore.