Dr YK Gupta, National Scientific Advisor to the Pharmacovigilance Program of India and former Head of Pharmacology at AIIMS Delhi, sheds light on the dangers of using toxic chemicals like DEG and EG in medicine manufacturing, calling it an act of criminal negligence. He outlines how lapses may occur in the production chain, warns against the use of such syrups, especially for children under two, and emphasises the need for strict quality checks and re-sampling, even when initial test results appear clear.