Pakistan Science Abstracts (PSA) is an online bibliographic national repository (Database) of research published (in Journals, Conference Proceedings etc.) in Scientific and Technological disciplines (excluding social sciences) of Pakistan. One-stop online PSA gateway service is to facilitate the researchers in searching of indigenously published research material. Database contents are regularly updated on daily basis. Currently, 2003(Year) onward data is already uploaded. Previous data will be updated shortly.