<h1>Regulators revoke pharma firm's manufacturing licence and order closure after diethylene glycol in cough syrup linked to child deaths</h1> The state revoked the manufacturing licence of a Tamil Nadu pharmaceutical company and ordered its closure after inspections found 48.6% diethylene glycol in a banned cough syrup linked to child fatalities. Regulators recorded over 300 critical and major GMP/GLP violations. A company principal has been arrested by a Special Investigation Team, and the Enforcement Directorate executed raids under the Prevention of Money Laundering Act in connection with the matter. The contaminated product is associated with at least 22 reported child deaths from suspected renal failure in another state. Authorities have ordered detailed inspections of other regional drug manufacturers.