Roaming Issue is resolved by using the New Reliance PRL.
The rar file is attached of CDMA Updater. Copy both files inside the rar file to your main memory by Palm Quick Install. Then Run CDMA Updater from programs. Be Careful in next steps-
1. Launch CDMAFirmwareUpdater.prc after a while, white screen, it will launch, press Menu button - similar to right click, it is bottom right button, next to ALT key, select debug, select Update PRL, unselect all other options. and run UPDATE now.
2. After some time it will say that Update successful etc. Quit program.
3. Restart Phone Radio which must have been switched off automatically.
4. Restart/Refresh phone by removing and reinserting battery.
5. Your prl is now Updated to International Reliance PRL - Enjoy Unrestricted Roaming.
(Special Thanks to Sadikk for providing me the PRL file)
CDMA_updater.rar