This comprehensive report has been prepared with the objective to map the available evidences on impact on climate change on HIV responses and identify key research priorities through an evidence gap - map approach. Since the consequences of climate change on prevention and management of HIV is indirect and multifactorial, our efforts are limited by the scarcity of primary studies particularly in India. However, based on available global evidence certain important and cross cutting pathways have been identified such as Food Insecurity, Migration, Service and infrastructure disruption, mental health.