As you Asking for the Catalogue of the Library of the Mysore University The Procedure is as follow

Visit the Official site of the Mysore University Library

The page may look as follow

Mysore University Library



There At the Left of the page you may get the Menu of Database click on It Now you may Reach on to the page there you may get the Menu of Online Catalog
click on It ,After clicking you may Redirect to the page from there you may get the

For your convince Here I am giving you the Snapshot of that page

Mysore University Library Online Catalog