All you have to do is enable a setting in your Google Calendar to be able to respond to any calendar invite sent to any of your Gmail alternate addresses. Here’s how you do it:
1. Go to Google Calendar
2. Click the gear icon and choose Settings.
3. Select the Calendars tab.
4. In the “Notifications” column for your primary calendar, click the “Edit notifications” link. This opens the notifications settings page. Scroll to the bottom of the page (it is the last setting on the page). Check the box next to the Alternate email address setting, “Allow me to respond to event invitations forwarded from these addresses. My attendance response will come from [your Google Account].”
5. Click “Save”
To view the roster head here.
To allow a Gmail account (e.g. [email protected]) to accept invitations on another accounts behalf (e.g. [email protected]) do the following: