Date of birth should match in both aadhar card and 10th Marksheet. For any exam whatever your date of birth is in any certificate, only the date of birth mentioned in 10th Marksheet will be considered as final. So if your date of birth in marksheet is different and in aadhar card is different then only the 10th matriculation certificate date of birth will be considered. You you can't change in 10th certificate, you can change in aadhar card, for that you can change through online or through visiting aadhar sewa kendras.