The Hyderabad-based company has been issued a warning letter by the United States Food and Drug Administration (USFDA) over significant violations of good manufacturing norms at its Nalgonda plant.
USFDA has issued a warning letter in response to the company's detailed reply submitted on October 2016, Vista Pharmaceuticals said in a filing to BSE.
"We wish to inform all stakeholders that all the points mentioned in the letter are being addressed and we shall respond with complete details of our remedial actions to USFDA before the stipulated date," it added.
Shares of Vista Pharmaceuticals today closed at Rs 31.15 per scrip on BSE, down 4.89 per cent from its previous close.
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