OPAC (ON-LINE PUBLIC ACCESS CATALOGUE) All the facets of library operations have been activated and rejuvenated with the impact of Information Technology. Cataloguing is not exception to this. Cataloguing is one of several information seeking devices and only one part of the total integrated library management system. Forgotten are the printed catalogues, card catalogues, punched cards and the other early mechanical systems. Online Public Access Catalogue (OPAC) was a major development in the early eighties, which have been designed to be the principle means of catalogue access to the library collections, both in the reading rooms and externally over telecom networks. These OPACs have replaced and still replacing the traditional card catalogues in the developing countries like India, In the early nineties Web OPACs have appeared in the West as an improvement over OPACs by exploiting the facilities of INTERNET. In the West a large number of libraries have implemented such Web OPACs with different Web interfaces (software). Generation of OPAC