Hello Aspirant, If your date of birth is Class 9th registration is 26 September 2006 and in Adhaar Card is 26 November 2006,its not a big problem but it create a problem in nearby future for you so, you should keep your date of Birth same ever where, it is difficult for you to change your Registration date of birth but you can easily change your Adhaar Card date of birth by visiting nearby block or some banks also provides adhaar Card change facility you have to take a date of birth proof here like Date of birth Certificate from Hospital or Muncipalty etc.