After Shanx's mail about kerala express having 7 ac coaches....here is a video showing the proof.

Date: 2006-04-24
Owner: Siddhartha Ganesh
Full size: 320x240
<a href="https://www.irfca.org/gallery/main.php?g2_view=core.DownloadItem&amp;g2_itemId=85059">Download movie</a>