The company had clocked a net profit of Rs 257.01 crore in the year ago period.
Total income during July-September quarter of the current fiscal rose to Rs 5,043.60 crore from Rs 4,843.2 crore for the quarter ended September 30, 2014, the company said in a statement.
"The quarter under review saw the chemicals and consumer business portfolio registering satisfactory numbers. The marked improvement in the chemicals business has been a reflection of the improved performance at Magadi," Tata Chemicals Managing Director R Mukundan said.