Chennai Petroleum Corporation’s net loss has multiplied during the third quarter of the current year compared with the corresponding quarter in the previous year. For the third quarter ended December 31, the company has reported a net loss of Rs 464 crore (Rs 63 crore) on an income of Rs 11,593 crore (Rs 11,150 crore). Gross refining margins for the quarter were down to $1.56/bbl ($5.87).