The RSS on one of my website has stoped working

Hello good people,

The RSS on one of my website http://tamil.annnews.in/tamil/rss/business has stoped working. Pressing it’s button brings this message:

This page contains the following errors:

error on line 292 at column 43: Input is not proper UTF-8, indicate encoding ! Bytes: 0xE0 0xAE 0xA4 0xE0

Below is a rendering of the page up to the first error.

Does anyone know what’s the matter, or how I can fix it?

Thanks,