This app can be used by doctors and patients of the All India Institute of Medical Sciences, Kalyani, West Bengal. Patients can register in the app and book appointments. They can also cancel or reschedule appointments, as well as view hospital OPD, lab and tariff enquiries. Doctors can login to the app using their credentials and access the web view for OPD LITE, and view enquiry information for OPD, lab and tariffs.