Somewhat related info: Government of Karnataka (an Indian state) has an healthcare insurance for economically poor called 'Yeshasvini'[0]. It covers treatment, surgery and other healthcare expenses for a nominal yearly premium. In fact this was conceptualized by Devi Shetty[1], founder of Narayana Hrudayalaya featured in linked article.

[0]http://www.yeshasvini.kar.nic.in/about.htm#about

[1]http://www.narayanahospitals.com/services/corporate-social-r...