CPCL had reported widening of net loss in Q4 of 2019-20 fiscal to Rs 1,637.56 crore, from Rs 29.33 crore, a year ago on lower crude production and inventory losses. Operational revenue dipped to Rs 11,769.39 crore in January-March from Rs 12,765.15 crore a year back. In 2019-20 fiscal, the company saw its net loss widen to Rs 2,077.58 crore, from Rs 213.36 crore net loss in the previous FY.