Configuring forwarding/mapping for specific email address from admin panel.
To configure login to the admin panel and navigate as shown:
AppsG Suite
Gmail
Advanced settings.
Once you reach the Advance Settings scroll down and click on configure as shown.
There you need to map the email address with the recipient email address as shown below, once done click on add
Once the same has been done in the next page click on save to save the configuration and you are done with the email address mapping and forwarding.