Intex Headphone Problem

SunnyGamingHD2

Fortune favors the brave
My Intex headphone is 2 years old(don't know which model cuz i bought it locally).

Problem:-Recently(1-2 days) my headphone gives audio to left ear only and right side sometimes getting audio sometimes not(mostly happens while gaming).Its kinda annoying! so is there any solution? is this hardware or software problem?
 
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