Revanth Technologies offers a 30-hour online training course on Storage Area Networks (SAN) with prerequisites including technical knowledge of network concepts and UNIX. The course covers various topics, including SAN fundamentals, Brocade and Clariion administration, storage protocols, and advanced data management techniques. It also includes hands-on practices with technologies, such as PowerPath and SnapView, as well as insights into EMC Symmetrix configuration and management.