verma83.m download the service manual from places [https://www.manualslib.com/download/499863/Lenovo-Thinkpad-X230.html|like this.] It will show you what is involved in the repair. Lenovo no longer provides the parts list in their hardware maintenance manual but you can download that one [https://pcsupport.lenovo.com/us/en/solutions/pd100192|from here.] It shows the part numbers for your computer.
Partnumber 04X4613 for the Palmrest ASM w/FPR hole (cost anywhere from $70 and up)
Partnumber04X4614 for the N PlmrestASMwFPMiniSSDspatt (cost anywhere from $40-$100USD)