Mr. R.Suryanarayanan is an Energy and Environmental Specialist from India. He work in National Productivity Council for over 32 years before retiring in November, 2020, where he was heading the Centre of Excellence for Training in Energy Efficiency. He was one of four authors of guide books for Energy Manager and Energy Auditor certification exam carried out every year by Bureau of Energy Efficiency, India since 2004. He had assisted industries in implementing ISO systems namely ISO 14001 and ISO 50001 in over 75 industries. The refresher course on Energy Managers and Energy Auditors was initiated by him as head of CETEE. He has also developed Energy Audit Guide – A Practitioner’s Guide as technical editor, which is widely sold and appreciated in India.