Section 2(78) in Tamil Nadu Combined Development and Building Rules, 2019
(78)"Natural Hazard Prone Areas" means the areas likely to have,-(i)moderate to very high damage risk zone of earth quakes or(ii)moderate to very high damage risk of cyclones or(iii)significant flood flow or inundation, or(iv)Tsunami proneness or(v)Landslide proneness or potential, or(vi)One or more of these hazards;
