The report was released by the Cross Dependency Initiative (XDI).
Nine out of 50 regions in the world facing high climate risk to a fragile physical infrastructure fall in India.
Bihar (22nd spot), Uttar Pradesh (25th), Assam (28th), Rajasthan (32nd), Tamil Nadu (36th), Maharashtra (38th), Gujarat (48th), Punjab (50th) and Kerala (52nd) are among the most vulnerable in the country.
India is followed by China with the highest number of states in climate risk to the built environment.
Overall, India, China and the U.S. are home to 80% of the most vulnerable cities and centres of economic activity around the world.