From Raymond Mercier (Cambridge) :

I understand that you are in search of a program to perform the conversion between Indian calendar dates and Western dates.
My program Kairos does all that and more:
www.raymondm.co.uk
 
Best wishes
Raymond Mercier
 
rm459@cam.ac.uk
 
Le 31 janv. 2012 à 06:36, Martin Gansten a écrit :

I was wondering if anyone could suggest a reliable resource for
converting dates in Vikrama Samvat to the Gregorian calendar?

Michio Yano has written a very useful web application for such purposes:
http://www.cc.kyoto-su.ac.jp/~yanom/pancanga/

Martin Gansten