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 :-
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Too much of physical exertion.
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If natural urges are suppressed.
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Over indulgence in sexual activities.
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Irregular food habits. ...."