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Sri Sisir Kumar Ratho, IFS (Retd.) is currently functioning as the Chairman of the Odisha State Environment Impact Assessment Authority (SEIAA, Odisha) w.e.f 19th September, 2022. The SEIAA is a statutory body constituted by Government of India, Ministry of Environment, Forest & Climate Change on the recommendations of the State Government. The Authority grants Environmental Clearances to all category-B projects under the EIA Notification- 2006 and Environment (Protection) Act, 1986. Prior to joining as Chairman, SEIAA Sri Ratho has was worked as Principal Chief Conservator of Forests & Head of Forest Force, Odisha before superannuation on 30th June 2022.

A civil engineer from NIT, Rourkela Sri Ratho joined IFS in 1987 and worked in various capacities in the State of Odisha and Central Government as well as in the Constitutional Body like National Commission for Scheduled Tribe (NCST) and Statutory Authority like National Mission for Clean Ganga (NMCG) in New Delhi. He has wide experience of working in other cross-cutting sectors like sports infrastructure,rural and urban housing, urban transport, drinking water supply, sewerage, drainage, solid waste management, municipal administration, river rejuvenation, bio-diversity conservation, water pollution abatement measures, tribal welfare and youth affairs.

Sri Ratho has co-authored a book “Agro Forestry Manual for Asia Pacific Region” published by United Nations Convention to Combat Desertification (UNCCD) Secretariat, Bonn (Germany) in 2004. He also published a book titled “Eternal Wisdom of the Tribes” during the tenure as Joint Secretary in National Commission for Schedule Tribes, New Delhi in 2018.