Tata Chemicals has posted a 275% increase in net profit after tax at Rs 111.13 crore for the quarter ended March 31, 2005 as compared to Rs 29.65 crore for the quarter ended March 31, 2004. According to release issued by the BSE today, total income (net of excise) increased from Rs 576.98 crore in Q4-04 to Rs 739.23 crore for the quarter ended March 31, 2005.Tata Chemicals has posted a profit after tax of Rs 340.55 crore for the year ended March 31, 2005 as compared to Rs 220.53 crore for the corresponding fiscal last year. Total income (net of excise) increased from Rs 2621.26 crore in FY-04 to Rs 3109.88 crore for the year ended March 31, 2005.The board of directors of Tata Chemicals has recommended a payment of dividend at Rs 6.50 per share of face value Rs.10 each aggregating to Rs 158 crore including dividend tax for the year 2004-05.