1) you could either have been born at home or at hospital
2) both certificates cannot be genuine
3) you will have problems when you apply to passport office for renewal of your passport by relying on second birth certificate
4) make an application to registrar of birth for cancellation of second birth certificate as it does not reflect yourcorrect date of birth
5) after it had been cancelled then only apply for passport withcorrect birth certificate
6) mention that you were not aware of second birth certificate and on discovery of the mistake you have immediately cancelled the second birth certificate