http://qz.com/328951/why-indias-poor-continue-to-be-ravaged-by-the-worlds-oldest-disease/

The only reason is that  Modi is a phoney hindutwadis who hasn't put enuff effort on ayurvedic cure of the disease

http://ayurvedicoils.com/tag/leprosy-in-ayurveda

"Over indulgence in sexual activities" causes TB.Should popularise gandhian celibacy

http://home-cure.net/ayurvedic-cure-tuberculosis/

"....When the tissue elements get vitiated, the Doshas become imbalanced. The four reasons for the doshas to get vitiated are :-

1. Too much of physical exertion.
2. If natural urges are suppressed.
3. Over indulgence in sexual activities.
4. Irregular food habits.                                   ...."