Xiaomi India — Not workig software or touch battary many problem

Address:

122001

I buy redmi prime 2 mobile. one month better performance after one month letter bettery issue or update issue or call end key not working on call time many time touch call end key but not end call or broswer also not working start downloading phone automatic vibrate or sound not clear camera not clear i want to return this phone buy another model mi product can you help my.