Chennai Petroleum Corporation Ltd. (CPCL) has reported a standalone loss of ₹46.47 crore in the fourth quarter ended March 2019 against ₹174.43 crore profit in the corresponding quarter of the previous year, due to an increase in input costs. During the period under review, total revenue from operations grew to ₹12,765.15 crore from ₹12,710.10 crore, said the company in a filing.