Hi,
This is a bug report regarding the old city name in Indian standard time zone.
This bug is originally reported in Ubuntu, and they suggested me to report it here.
Here is the original bug report. https://bugs.launchpad.net/ubuntu/+source/tzdata/+bug/155042
>However this is the old name of the city, since then the name of the city has been changed, and the current name of city is "Kolkata"
>for more info visit http://en.wikipedia.org/wiki/Kolkata
>Please fix this bug for Hardy installer.