Panasonic — Phone not repaired and also imei and battery changed by panasonic

Address: Bulandshahr, Uttar Pradesh, 203205

Website: www.panasonic.com

Dear sir,
My name is Atul kumar and i bought a mobile panasonic eluga imei number-[protected] on 30 march 2016.
On november month my mobile is switched off and not working.When i go to the panasonic care which is in bulandhshar Laxman market shop numer-4 authorised panasonic care center.
He told me that that there is pcv is damaged by moisture and you have to pay money for repair.I agreed and decide to pay.He took my phone and told me to come after 20 days. But it took 45 days and told me that your phone is not repaired by the compny and told me the reason RWR.
And also my battery and imei number is changed The care excutive whose name is ANUJ mobille number is [protected].
I am totally frustrated by the panasonic care and i dont know what to do.
I just want to fix my phone.Kindly take action against the panasonic care and help me out.
They are goons.I just hate panasonic care after that incident .