Authorities have stepped up scrutiny of drugmakers after some cough syrups made in India were linked to deaths of dozens of children overseas. It is the fourth Indian cough syrup maker to stop production after regulators found lapses. Rajesh Bhatia, one of the three directors at Riemann Labs, had told Reuters previously he was not aware of the matter. "Some violations in good manufacturing practices and good lab practices were found," Khade said, without specifying what the violations were. Riemann has been identified as the maker of Naturcold cough syrup, Khade said.

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Persons: Riemann, syrups, Rajesh Bhatia, Sudam Khade, Khade, Shivam Patel, Muralikumar Organizations: REUTERS, Riemann Labs, Reuters, Wednesday, Authorities, Riemann, Regulators, Thomson Locations: DELHI, India, Cameroon, Madhya Pradesh, New Delhi