Net profit of Neyveli Lignite Corporation declined 25.46% to Rs 821.09 crore in the year ended March 2009 as against Rs 1101.57 crore during the previous year ended March 2008. Sales rose 12.52% to Rs 3354.91 crore in the year ended March 2009 as against Rs 2981.65 crore during the previous year ended March 2008.