It will be your 12th Registration number that is available on your Hall ticket or your Marks sheet if you have already received it. HSC is Higher Secondary Certificate and is equivalent to 12th. If you are a student of BSEB, it is your 12th Hall ticket number that you need to mention in the TNEA applicaiton form. For help in filling TNEA application form, please read our article; https://engineering.careers360.com/articles/tnea-application-form
Regular exam updates, QnA, Predictors, College Applications & E-books now on your Mobile