Hello, Sanjeev Preet
Please read this article https://www.themepunch.com/revslider-doc/layer-responsive-behavior/
Provide temporary wp-admin access http://prntscr.com/mwb2mi so I can take a closer look at your settings.
Follow our documentation to update the plugin via FTP https://www.8theme.com/documentation/xstore/plugins/plugins-update/
Regards