Those who like to deride them call these five-star hospitals. A more kindly classification would be super-speciality corporate hospitals. But ever since the allegations of medical negligence surfaced following the failure of Indraprastha Apollo Hospital, Delhi, to diagnose as acute myeloid leukemia the illness that claimed union power minister Rangarajan Kumaramangalams life, questions have been raised about the quality of medical care provided by these much-publicised, high-profile private hospitals.