currently we are using CA LISA 6.1 and we want to upgrade it to latest one.
It will be great help if anyone can provide us the documentation or any link to follow during the Upgrade process.
Subrata - Start here: Upgrading DevTest - DevTest Solutions - 9.5 - CA Technologies Documentation
Thank You Anne_Rhoades
This will help as well:
Tech Tips: Best Practices Installing and Verifying DevTest Out of the Box