G. Ranganathan, proprietor of Sresan Pharma that made Coldrif cough syrup, arrested in Chennai

G. Ranganathan, proprietor of Kancheepuram-based Sreshan Pharmacy, was arrested by Madhya Pradesh Special Investigation Team in Chennai on Thursday (October 9, 2025) morning for allegedly producing contaminated cough syrup linked to the deaths of a number of youngsters in Madhya Pradesh and Rajasthan.

According to police sources, Ranganathan was detained from his residence in Kodambakkam by a crew comprising members of the Madhya Pradesh Special Investigation Team (SIT) and Chennai’s Ashok Nagar police. The firm is accused of producing the poisonous Coldrif cough syrup linked to 21 deaths in M.P.

Following his arrest, the SIT and Chennai police collectively carried out a search on the firm’s manufacturing unit in Sunguvarchatram, Kancheepuram, to look at manufacturing data and samples.

Madhya Pradesh police have booked Ranganathan beneath the provisions of the Bharatiya Nyaya Sanhita, and different legal guidelines. Further investigation is beneath progress.

His 2,000 sq ft manufacturing facility positioned alongside the Chennai–Bengaluru Highway has been sealed, whereas his registered workplace in Kodambakkam stays shuttered.

Residents within the space stated the workplace, as soon as frequented by guests, was cleared out final week, with employees seen shifting tools and computer systems late at evening.

Laboratory evaluation carried out in Tamil Nadu confirmed that Coldrif cough syrup contained poisonous substances. Following this, the Madhya Pradesh authorities imposed a ban on the sale of the product in addition to all different medicines manufactured by Sresan Pharmaceuticals, the Tamil Nadu-based firm.

The affirmation was detailed in a report from the Tamil Nadu Director of Drugs Control, submitted to the Madhya Pradesh authorities on October 4.