N Varaprasad this is a common issue with all digital cameras. Check on here for a possible solution. Those tricks work sometimes, but most of the times you do need to replace the complete lens assembly. Here is a video that will help you with that.
We have a chance to guarantee our right to repair electronic
equipment—like smartphones, computers, and even farm equipment. This is a once-in-a-generation
chance to protect local repair jobs—the corner mom-and-pop repair shops that
keep getting squeezed out by manufacturers.
Join the cause and tell your state representative to support Right to Repair. Tell them you believe repair should be fair, affordable, and accessible. Stand up for your right to repair!