The last date for applying Revaluation (Regulation 2021) is on or before 11/10/2023 - 5 PM. Revaluation Fee per script is Rs. 400/- Detailed circular can be viewed in the following link. (if link is not navigating, copy paste the link in URL)
https://coe1.annauniv.edu/aucoe/pdf/2023_am/REVAL_PROCEDURE_LOWER_R2021.pdf