There's also a massive variation in standards. You'd think price and quality are correlated but one does have to perform due diligence as private hospitals routinely overcharge and prescribe unnecessary tests/procedures.

A bigger problem is that the justice system in India is (almost?) dysfunctional so good luck suing a private hospital if things go wrong. Your only hope is that the media picks it up, which can force the government to take action, e.g. [1].

[1] http://www.thehindu.com/todays-paper/tp-national/haryana-pro...