The Sajjan Jindal-led firm had clocked a net profit of Rs 657 crore in the year-ago period, it said in a BSE filing.
The total consolidated income of the company too declined by 13 per cent to Rs 11,601 crore in April-June quarter of this fiscal from Rs 13,254.07 crore in the same quarter of the 2014-15 fiscal.
Company's total expenses, however, fell to Rs 10,887.42 crore from Rs 11,437.80 in the reported quarter.
During the April-June quarter, the company's crude steel production grew by 10 per cent to 3.4 million tonnes (MT) from 3.1 MT in the year-ago period. Saleable steel production was up 8 per cent to 3.11 MT from 2.88 MT during the same period.
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"More importantly, with ramp up of downstream facilities the share of value added and special steel products improved to 35 per cent of total sales, during the quarter," it added.
The firm said implementation of the capacity expansion project, from 3.3 MT per annum to 5 MTPA, at Dolvi in Maharashtra and other ongoing projects are progressing satisfactorily and are likely to complete as per schedule.
World steel production was down 2 per cent in the first half of CY 2015 and almost all regions witnessed a decline. Increased exports from China is driving a global supply glut, it added.
Global steel industry faces pressures from surging exports from steel surplus countries, moderating demand, lower iron ore and coal prices and currency volatility, it said.
India steel industry continues to suffer from a surge in imports at a price significantly lower than domestic prices in exporting countries, especially China, South Korea and Japan, it added.
"Consumption of domestically produced steel was down by 0.4 per cent in April-June of 2015-16 as imports were up by 57 per cent y-o-y," it said.
JSW Steel scrip today rose by 0.17 per cent to settle at Rs 812.50 per share on the BSE.