The company had posted net profit of Rs 96.54 crore for the January-March quarter of the previous fiscal, GSK Pharma said in a filing to the BSE.
Net sales increased marginally by 2.27 per cent to Rs 613.47 crore for the quarter of 2014-15 fiscal, compared with Rs 599.85 crore in the year-ago period, it added.
The company attributed lower sales growth to "supply constraints".
For the quarter, GSK Pharma also reported exceptional loss of Rs 5.81 crore.
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In a separate filing, GSK Pharma said its Board of Directors have recommended a dividend of Rs 62.50 per equity share for the fifteen month period ended March 31, 2015.
The company's prescription medicines range across therapeutic areas such as anti-infectives, dermatology, gynaecology, diabetes, oncology, cardiovascular disease and respiratory diseases.
Shares of GSK Pharma closed at Rs 3,276.05 apiece, up 1.22 per cent from previous close on the BSE.