Neyveli Lignite Corporation has reported a 93% increase in net profit at Rs 236.83 crore for the quarter ended December 31, 2004 when compared with Rs 122.30 crore in Q3FY04.According to a release issued to the BSE today, total income increased 16% to Rs 776.09 crore from Rs 665.36 crore in Q3FY04.