You can use any of the JioCloud apps to upload your files to JioCloud. Click here for details.
For Mobile devices, there are two ways in which files can be uploaded:
Auto-Backup: If you want to backup your content automatically or upload entire folder then you can enable Auto backup from app settings (Settings->Auto Backup). You can select file types you want to backup, folders to backup as well as the network through which your data gets uploaded. Your backed up content is available in ‘My Files’ -> ‘All Files’ section.
Manual Upload: If you wish to selectively sync photos, video, music or documents, then select ‘Upload (+)’ button on the files screen and select the files you wish to upload.
On JioCloud website, you can directly drag and drop a file or folder to upload it.