Hiring of services for engaging a National Accreditation Board for Certification Bodies (NABCB) or International
Accreditation Forum (IAF) members and signatories accreditated Certification Body for Recertification of Integrated Management System as per requirement of latest version of ISO 9001:2015 and ISO 14001:2015 for two separate installations: 4MGD Water Treatment Plant, Tipling and Internal Combustion Engine Shop ICE-S under Field Engineering Department of Oil India Ltd, Duliajan.