This is India’s first and only comprehensive technical guidance manual on CEMS. It empowers stakeholders with the knowledge of the best practices adopted around the world. The book offers detailed information on available technology option, their limitations and suitability for various industries. The manual also refers to various regulations and technical documents from Europe and the US which are widely used to illustrate best practices across the world. It is an effort to support the CEMS initiative of the Ministry of Environment, Forest and Climate Change and the CPCB. It is thus a supplementary to the CPCB guidelines on CEMS. It will help in skill and knowledge development of stakeholders and successful implementation of CEMS in India.