Go to Add-ons > Install from zip file and select the downloaded plugin.video.jiotv-main.zip or the repository file.
While Kodi itself is legal, using add-ons to access copyrighted content can vary by region. Always ensure you are authorized to view the content through your Jio subscription. plugin.video.jiotv-main.zip file download
If you encounter issues during the download or installation process, try the following: Go to Add-ons > Install from zip file