Bhupathi,
Plz see old discussion
http://forum.cyberciti.biz/rhce-samp...ire-vt384.html
Sites
www.rhce2b.com
www.redhat.com and look for docs
Get any good book that teaches all Linux basis; ask any of your friend who has cleared the RHCE. Most of them have RHCE books as well.
Most importat install RHEL 4 and practice practice everyday with 2 computers