[tz] zoneinfo : ist : error

[Zoidiasoft Technologies]

Hi,

Is it also mathematically incorrect?  If so, what is the real value supposed 
to be?

Sincerely,
Curtis Manwaring

-----Original Message----- 
From: Mayuresh Kathe
Sent: Friday, December 21, 2012 12:23 AM
To: tz at iana.org
Subject: [tz] zoneinfo : ist : error

may i know the reason why asia/kolkata represents +0530 in india?
logically, technically and politically speaking, it's incorrect.

~mayuresh