"The company is proposing to make a representation to FIPB," Strides Arcolab said in a BSE filing.
Strides Arcolab said it has been informed by the FIPB that the company's application has not been okayed on the grounds that the Scheme of Amalgamation is yet to be approved by the competent High Courts in India.
In September last year, the drug firm had announced merger of Chennai-based Shasun Pharmaceuticals with itself that would have created an entity among the top 15 listed domestic drug makers with a turnover of over Rs 2,500 crore.
Earlier this week, government approved proposals for foreign direct investment amounting to around Rs 4,000 crore by four pharma and medical devices firms, including Torrent Pharmaceuticals and Biocon's research services arm Syngene.
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Ahmedabad-based Torrent Pharmaceuticals' Rs 3,000 crore proposal for increasing FII investment limit to 35 per cent from 13.09 per cent was approved by the government.
Shares of Strides Arcolab were trading at Rs 1,172.55 per scrip on BSE post afternoon trade, up 0.36 per cent share from their previous close.