Hii There,

You cannot download it online.

The candidate should submit application for Duplicate certificate to the school where he/she studied last with Chelan in the certificate received from the Tahsildar . The Head Master / Head Mistress of the concerned school will counter signed the application and sent to the D.E.O concerned.

For detailed information, please read:

chrome-extension://efaidnbmnnnibpcajpcglclefindmkaj/https://www.dge.tn.gov.in/docs/DUP_instruction.pdf

Thanks