The list of selected candidates for doing Ph.D. at IITM through the AcSIR channel can be found on the link
https://acsir.emli.in/ACSIRAdmissionPortal/online-admission/administrator/personal/final_candidatelist/Selection_Template-IITM-08May2023_final%20to%20upload.pdf
Selected candidates are required to confirm admission by paying semester fees and send the confirmation email along with e-receipt of payment of fees as per instructions given in the link.