The Online Registration System of eHospital Platform facilitates hospitals to provide various online services to the patients such as online OPD appointment, viewing of lab reports, status of availability of blood in bloodbanks etc. by registered Mobile Number or Unique Hospital Identification Number (UHID); identity of the patients is confirmed digitally using Aadhaar authentication service provided by UIDAI (Unique Identification Development Authority of India) to ensure that only genuine patients are given online OPD appointments.