Not all tooltips are in the selected language, Kannada. Since, I couldn't gather information on bug reporting, filing this as a ubiquity bug. Screenshots attached.
ProblemType: Bug
DistroRelease: Ubuntu 12.10
Package: ubiquity (not installed)
ProcVersionSignature: Ubuntu 3.5.0-17.28-generic 3.5.5
Uname: Linux 3.5.0-17-generic i686
ApportVersion: 2.6.1-0ubuntu3
Architecture: i386
Casper:
Generating locales...
en_US.UTF-8... done
Generation complete.
pwconv: failed to change the mode of /etc/passwd- to 0600
Adding 'diversion of /usr/bin/bluetooth-applet to /usr/bin/bluetooth-applet.orig by casper'
Date: Thu Oct 11 19:23:31 2012
InstallCmdLine: file=/cdrom/preseed/ubuntu.seed boot=casper initrd=/casper/initrd.lz quiet splash -- maybe-ubiquity
InstallationMedia: Ubuntu 12.10 "Quantal Quetzal" - Beta i386 (20121011)
ProcEnviron:
TERM=xterm
PATH=(custom, no user)
XDG_RUNTIME_DIR=<set>
LANG=kn_IN
SHELL=/bin/bash
SourcePackage: ubiquity
UpgradeStatus: No upgrade log present (probably fresh install)
Also, all of the installer images are in English which may not be so desired when a different local language is chosen. Screenshot attached.