The fourth webinar in the series of Nat-Infra Dialogue series on Natural Resources Safeguards in Linear Infrastructure development in India discussed on the use of GIS based tools for informed decision making in LI development. Mr. R. S. Sharma, President at Consulting Engineers’ Association of India gave the introductory remarks whereas Dr. Areendran G., Director – Tech for Conservation, WWF-India presented on the Rapid Infrastructure Impact Assessment Model (RIIAM) developed by WWF-India in collaboration with Carnegie Mellon University under the support of AI for Social Good project by Google Inc.