http://elearn.psgcas.ac.in:8080/jspui/handle/123456789/2034 Sun, 05 Apr 2026 18:12:26 GMT 2026-04-05T18:12:26Z http://elearn.psgcas.ac.in:8080/jspui/handle/123456789/2035 PHYSICS Wed, 12 Mar 2025 00:00:00 GMT http://elearn.psgcas.ac.in:8080/jspui/handle/123456789/2035 2025-03-12T00:00:00Z