Share your experience!
Hi Sangmesh11,
Welcome to the community! Since you're new please be sure that you have checked out our Discussion guidelines.
I suggest that you contact Sony Customer Care directly, as they should be able to advise what you should do next to help get this resolved. Please see the link below to contact them.
That seems odd, did you requested a vacuum test? perhaps the reason that its not waterproof because there might be a crack on a screen.
Is there any other Xperia Care center near by that you can stop by? is the lens scratched?
I'm out of ideas, did they at least said what is the issue?