Please note that, when the add-on is added to your browser, it is in-active by default (toolbar icon is grey C letter). To activate the add-on, press on the toolbar icon once. The icon will turn to orange C letter.
That's it. Now you can download Hotstar videos with cpClips.com without any problems. If you still face any problem, do let me know.
Important: Disable CORS extension when not downloading Hotstart Videos.