Kolkata: In what can be billed as the best ever financial performance, the State-run coal behemoth Coal India Ltd (CIL) on Thursday notched up a Q4 consolidated net profit of Rs 6,024.23 crore, up 362 per cent from Rs 1,302.63 crore in the year-ago period, riding on operational cost control, better average realisation in both FSA and e-auction sales, among others. CIL’s net profit for the whole of last fiscal was Rs 17,462.18 crore, up by 148 per cent from Rs 7,038.44 crore earned in the previous fiscal. Coal India also recorded the highest ever gross sales of Rs 1, 40,603 crore and net sales of Rs 92,896.08 crore during the period, the company said.