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Tamil Nadu Shuts Sresan Pharma as ED Raids Seven Chennai Sites in Coldrif Deaths Case

Lab reports found roughly 48% diethylene glycol in Batch SR-13 of the cough syrup.

Overview

  • State authorities cancelled Sresan Pharma’s manufacturing licence and ordered the Kanchipuram facility closed after confirming extreme contamination in Coldrif.
  • The Enforcement Directorate searched seven Chennai premises linked to the company and senior Tamil Nadu drug-control officials under a money-laundering probe into suspected proceeds of crime.
  • Proprietor G. Ranganathan was arrested on October 9 and remanded to 10 days’ police custody on charges including culpable homicide and drug adulteration.
  • Regulators said tests on Batch SR-13, manufactured in May 2025, showed about 48.6% diethylene glycol and documented more than 300 GMP and GLP violations at the plant.
  • Multiple states banned sales, seized stocks and broadened testing as Tamil Nadu suspended drug inspectors and launched statewide inspections of other manufacturers.