Britex if you have faith in the Indian Medical system you could try this:
http://en.wikipedia.org/wiki/Narayana_Hrudayalaya
They have a department for nephrology.
You can e-mail them, they are very proffesional and will give you prompt & honest counsel online. As far as I know they don't give false hopes only for the sake of business.
This is their direct webpage:
http://www.narayanahospitals.com/