“…The services offered by the library of the University of Colombo are reference services, lending services, Online Public Access Catalogue (OPAC), document supply service, laptop lending service, Wi-Fi service, learning commons, photocopying service, inter library loan service, the resource centre for the visually impaired, etc. These are some of the library products which can be marketed effectively (Johoran, 2019). As per the study conducted by Rifaudeen (2015) on the sustainability of library and information science services in Sri Lankan university libraries, he has emphasized that marketing is a vital part of a library and promotion of the services should be done continuously to achieve sustainability in library services.…”