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Devi Shetty is a top Indian heart surgeon with a big idea. He believes specialist healthcare should be available to the very poor of India just as much as the rich.
Ten years ago Dr Shetty founded a hospital in Bangalore in Southern India which charges people according to what they can afford.
The rich go for the very best surgery. The poor go there because they can.
Carrie Gracie asks him whether his model can really overturn healthcare provision.