iphone xr camera issue urgent

i bought xr from Flipkart . delivered on 18th may.now when i tried selfies my pic comes little streched in centre of whole pic? but same pic i take with 3rd party app..cam360.. pic is not hd quality but no such issue (streched). why is it with in build camera app? tried many times same issue.. even in some pictures blinking of eyes or head movement can be seen. how(like animation) what shud i do now? is camera defective flipkart not ready to return.should i visit store? will they return?? plss help …