Form: 4

Statement of changes in beneficial ownership of securities

April 3, 2007

POA DOCUMENT

Published on April 3, 2007

LIMITED POWER OF ATTORNEY FOR
SECTION 16 REPORTING OBLIGATIONS



KNOW ALL MEN BY THESE PRESENTS, that I, the undersigned, Arnaud de Weert, have
by these presents constituted and appointed and in my place and stead put Leslie
J. Parrette, Jr., Christopher Courts, Shannon Curran, Michael Shelby, and Marion
Greenhaigh, severally, to be my true and lawful attorneys, for me and in my name
to sign, file or register, electronically or otherwise, with the appropriate
authorities all information, documents or filings in relation to the reporting
required by law of any trading of my securities in Novelis Inc.

I DECLARE that the power conferred in this Power of Attorney shall
remain in full force and effect until due notice in writing of its revocation
shall have been given by me.

FURTHER, I ratify and confirm whatsoever my attorney shall lawfully
do or cause to be done by virtue of these presents.

THIS Power of Attorney hereby revokes all previous Powers of
Attorney in respect of the subject matter hereof.

IN WITNESS WHEREOF I have set my hand this 23rd day of May, 2006.


/s/Kevin Twomey