It had reported PAT of Rs 311 crore in the October- December period of the previous fiscal (2012-13), JSW Energy said in a statement.
Its total Q3, 2013-14 income from operations stood at Rs 2,151 crore, as against Rs 2,365 crore in the year-ago period.
JSW Energy produces 3,140 MW power and is implementing another 8,630 MW capacity, as per information on its website.
For the 9-month period ended December 31, its total income from operations was Rs 6,647 crore, as against Rs 6,633 crore for the same period last fiscal.
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It said the government has accorded environmental clearance for the expansion - from 3 MTPA (million tonnes per annum) to 3.75 MTPA - to the company's Kapurdi Mines in Rajasthan.
The government has also cleared mining capacity expansion to 7 MTPA, it said, adding that the possession of land for Jalipa mines (Rajasthan) is in progress.
"The project cost is estimated at Rs 1,800 crore (both Kapurdi and Jalipa mines) and cost incurred till December 31, 2013 is Rs 1,492 crores," the statement said.