Could you please help me with a VRA 7.5 to 7.6 upgrade process guide step by step. I go through VRA document portal but that is not enough.
I want to upgrade my production environment.
This is way, way too big an ask to get step-by-step instructions on a forum. You need to read the upgrade documentation and release notes from cover to cover to understand what's going to happen. A vRA upgrade is no trivial task. Alternatively, you may want to engage professional services (either VMware's or a partner's) if you're still unsure of things.