Hi Santhosh,
Following is the link to the CA Single Sign On R12.7 documentation;
https://docops.ca.com/ca-single-sign-on/12-7/EN
To download the latest BASE release of the R12.7 software;
1.) Log into the CA Support Site.
2.) From the 'Download Center' section, select 'Download Products'.
3.) In the 'Select a Product:' drop-down, enter either "CA Single Sign-On For Business Users - MULTI-PLATFORM" or "CA Single Sign-On For Consumers - MULTI-PLATFORM" depending on your contract.
4.) In the 'Select a Release:' drop-down, select "12.7".
5.) Click on the "Go" button.
This will take you to the download page for the "R12.7" components.
For the latest compatible Web Agents, please navigate to the following link;
https://support.ca.com/irj/portal/solncdndtls?aparNo=RS96390&os=WINDOWS&fc=14&actionID=3
Please let us know if you have any further questions.
Thanks,
Rick