Once the installation of PSC\VC installation is completed , we started configuring the PSC to our AD and assigned appropriate users to the roles.While trying to login using the AD account , noticed Use windows session authentication  option is greyed out in the web client.

using the below link tried to fix the issue but no luck.

http://www.virtuallyghetto.com/2015/09/quick-tip-fix-for-cip-no-longer-functioning-in-vsphere-web-client-after-chrome-45-update.html

At last un-installed all the old VC Clients ( 5.5\ 5.1 ) from the laptop and installed the latest VC6.0 which fixed the issue in chrome but still in IE the option is greyed out ..