Yesterday suddenly the sound output from my Headphone is not working

Hi, I've Mac Book Pro 15" with Retina display. Yesterday suddenly the sound output from my Headphone is not working. When I tried to solve this, I've noticed in system preferences it's jumping from Internal speakers to Head phone and vice versa. Can anyone help me on this issue please? I am using the original Apple Headset only.
Thanks
Babu
<Re-Titled By Host>

Tell us:
OS X version ?
What may have changed prior to the onset of the issue of "... suddenly... not working..." and " ... preferences ... jumping from ..." ? Software added, upgraded, updated?
what precidely do you mean by " ... preferences ... jumping from ..." ?
ÇÇÇ
EDITadded
I see that your Question has languished for some period of time without response. You have posted your issue in Using Apple Support Communities whose topic is 'How to use this forum software's interface, features and/or how to find what you wish'. It is a relatively low traffic and inappropriate forum for your problem. I will ask our Hosts to move it to " MacBook Pro " where it may get a more rapid response from your fellow users.
endEDIT

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Yesterday suddenly the sound output from my Headphone is not working

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