The Gas Hydrate Stability Thickness(GHST)map along the margins of India was prepared from available bathymetry,sea bottom temperature and geothermal gradient.Since the Bottom Simulating Reflector(BSR)is often associated with the base of the gas hydrate stability zone,the map helps to identify BSR in case of any doubt for its detection. The map is also useful to the explorer by setting a depth window within which proxies for gas hydrates The Gas Hydrate Stability Thickness (GHST) map along the margins of India was prepared from available bathymetry, sea bottom temperature and geothermal gradient. Since the Bottom Simulating Reflector (BSR) is often associated with the base of the gas hydrate stability zone, the map helps to identify BSR in case of any doubt for its detection. The map is also useful to the explorer by setting a depth window within which proxies for gas hydrates