They have proof that they had successfully cultured the leprosy bacteria for the first time in the world. Their work on a possible vaccine for leprosy, however, is stalled due to the Centre's
Links:
[1] http://admin.indiaenvironmentportal.org.in/news/leprosy-vaccine-stalled-president-intervenes
[2] http://admin.indiaenvironmentportal.org.in/category/newspaper/statesman-kolkata
[3] http://admin.indiaenvironmentportal.org.in/category/thesaurus/health