The country also recorded a 94% treatment success rate among drug-susceptible TB patients, the report said. New Delhi: India has recorded a 38% reduction in tuberculosis (TB) mortality since 2015, outperforming the global decline of 35%, the Union health ministry said on Thursday. Highlighted in the World Health Organization’s (WHO) Global Tuberculosis Report 2026 released on Thursday, the findings also showed that the country achieved a 94% treatment success rate among drug-susceptible.