Section 18A(4) in The Plantations Labour Act, 1951
(4)Every employer shall ensure that every worker in plantation employed for handling, mixing, blending and applying insecticides, chemicals and toxic substances, is trained about the hazards involved in different operations in which he is engaged, the various safety measures and safe work practices to be adopted in emergencies arising from spillage of such insecticides chemicals and toxic substances and such other matters as may be prescribed by the State Government.