It is with pleasure that the Conference Organising Committee invites you to attend the Fourth IUPAC International Conference on "Agrochemicals Protecting Crops, Health and Natural Environment –Discovery and development of synthetic and natural products for health and pests management" (APCHNE 2020) being organized by Society for Promotion of Sustainable Agriculture (SPSA) and Institute of Pesticide Formulation Technology, Gurugram, during 7-10 January 2020, in New Delhi, India. Registration on 6th January, 2020 will precede the welcome reception. Inauguration and scientific deliberations of the conference will start on 7th January 2020; each morning will feature plenary lectures, followed by parallel sessions featuring invited lectures as well as contributory papers and poster presentations. The official language of the conference is English. No simultaneous translation in other languages shall be available.