Having problem in codelitmus.com challenge

I am having problem getting access to my problems.It is asking for camera permission.I have already allowed the permission for camera and reload the page.It is again bring same message.Please reply as soon as possible to solve my problem.

Shivam Dabral

TRy other website such as skype google hangout video chat option in order to ensure that you webcam working properly

sorry for trouble guys,my camera cable is broken from inside.