तेल उद्योग सुरक्षा निदेशालय Oil Industry Safety Directorate (पेट्रोलियम एवं प्राकृतिक गैस मंत्रालय के अंतर्गत) (Under Ministry of Petroleum and Natural Gas) ISO 9001-2015 Certified
Support Oil and Gas Industry in India to achieve excellence in Health, Safety and Environment by developing standards, conducting audits, investigating incidents and disseminating knowledge.