The cough syrup at the centre of a widening drug safety scandal in India traces back to a little-known pharmaceutical entity with murky corporate roots and unclear ownership. The Kancheepuram-based Sresan Pharmaceutical, whose Coldrif cough syrup has been named in FIR copy related to deaths of 14 children in Madhya Pradesh, appears to have begun life as a private limited company in 1990.

The Madhya Pradesh government has said that samples of Coldrif contained 48.6% diethylene glycol (DEG), a toxic industrial solvent that can cause kidney failure. The state police have since filed an FIR against Sresan Pharmaceutical Manufacturer, while a broader probe into its licensing and manufacturing operations is underway.

About the company

As per the FIR and the tag outside the factory site, t

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