What is the basic requirement for deploying the security patches from altiris?
Symantec Patch Management Solution Overview Best Practice using 4A Model
https://www-secure.symantec.com/connect/videos/symantec-patch-management-solution-overview-best-practice-using-4a-model
Troubleshoot and Best Practise for Patch Management
https://www-secure.symantec.com/connect/blogs/troubleshoot-and-best-practise-patch-management
Which of the plugin work for it?
What is the report to check it?
Have you read above articles ?
See this
See this all document
https://www-secure.symantec.com/connect/forums/it-management-suite-75-documentation
See how to fetch plugin report below some thread
https://www-secure.symantec.com/connect/forums/agent-without-software-update-plugin
https://www-secure.symantec.com/connect/forums/software-plugin