I AM A BRITISH CITIZEN SINCE 19TH DECEMBER 2019 AND MY CHILD BORN IN MY HOME COUNTRY IN 01 JANUARY 2020. I APPLIED HIS BRITHS PASSPORT WHEN I VISIT PAKISTAN IN THE MONTH OF MARCH AND STILL HIS APPLICATION IS PEMDING UNDER HM PASSPORT OFFICE.
I RECIEVED AN EMAIL REGARDING MY CHILD APPLICATION FROM HMPASSPORT OFFICE THAT THEY ARE ASKING
7) Please send us the British naturalisation / registration certificate for xxxxxx

MY QUESTION IS THAT ANY ISSUE THAT I WAS NOT BRITISH CITIZEN AT THE TIME OF MY CHILD CONCEPTION I WAS ON ILR AT THAT TIME. PLEASE HELP ME WHAT SHOULD I DO NOW THX IN ADVANCE