I am sure she can. Just give her an authorization letter. If her driver's license has the same address as in the OCI application that will be additional proof of identity.
Thanks akgarg.
Looks like the OCI was approved and dispatched. Let's hope it gets here before 7 May so that we can pick it up on at least 8 May.
STATUS UPDATE:
Date Of Acknowledgment 02-APR-2009
Registration Status Granted On 27-APR-2009
Photo/Signature Scanned On 16-APR-2009
Documents Printing Status PRINTED
Documents Printed On 28-APR-2009
Documents Dispatched to Concerned Mission/Office on 30-APR-2009
Documents Received at NEW YORK CGI NOT YET