You can update your voter registration details on Postal Vote Application Easily from Below link.
- Enter your NIC number and District. Than Click DISPLAY
- Click PRINT POSTAL VOTE APPLICATION (you will get the PDF)
Click Display and you will get this
Then Enter Mobile Number , and Captcha details , then Click Print Postal Vote Application.
You will get a pdf, take a printout and fill the rest.
Click below for the Link
Postal Vote online Filling Option
Click Below to Download Postal Vote Application PDF ONLY