10th class roalnumber state board in Tamil Nadu
If you want to get your Class 10th Roll Number, you can get it from the Hall Ticket/Admit card of your 10th Board. In the Hall Ticket you will get two numbers one is the Registration Number and the other is the Hall Ticket Number/Roll Number.
To know more about Tamil Nadu SSLC visit the link below:
https://school.careers360.com/exams/tamil-nadu-sslc
I hope this answer helps. All the very best for your future endeavors!