Section 18(3)(a) in Tamil Nadu Poisons (Regulation of Possession and Sale) Rules, 2015
(a)Skin Contact: Quickly take off clothing, shoes and leather goods (e.g.watchbands, belts) contaminated with poison. Quickly and gently blot or brush away excess poison from the skin. Immediately flush with lukewarm, gently flowing water for at least 30 minutes. DO NOT INTERRUPT FLUSHING. If it can be done safely, continue flushing during transport to hospital. Immediately call a Poison Centre or Doctor. Treatment is urgently required. Transport the person to a hospital.