If you're using broadband you must have a broadband modem right? I did find this out about Sify:
http://www.techtree.com/techtree/jsp...?storyid=53005 &
R
Try the fixes above: delete the LW preferences folder & update your Java to version 1.5
Leave LW for 30 mins after opening before doing anything. Don't resume all your files or this may cause problems.
Set your Firewall to UPnP: Tools>Options>Advanced>Firewall (& press apply.)