Sitecore Media Library
Sitecore Media Library
   Disabling the Upload Watcher     The Recommended practice is that you disable   Upload Watcher and which ensures that the only way to upload files is from Media Library.  This ensures that you can only upload files from within the Sitecore client and have control over the files that are uploaded .      When Upload Watcher is disabled , files that are placed in the  /upload  folder in the website root are  not automatically uploaded to the Media Library      To disable the Upload Watcher , remove the following highlighted  line   from the  <modules >  section of the Web.config  file      
 https://xchangesitecore.com/sitecore-media-library-2/ 
 Vikash Raaj