Reliance Led (Re-Connect) — tv speaker sound not come

Address:

F 201, Sarkar home near shree ram flat, narol lambha road, 382405

I bought reconnect tv from reliance fresh. Now sound not come from tv picture view is coming property but sound not come. Mute button is off. No any other issues. Only picture showing without voice in all chanel. I tried to connect pen drive for viewing picture without sound but again same issue only sound not come. There is some problems in speaker. How to solve it.