Does the country provide individual online voter registration/polling assignment checks?

Election Commission of Sri Lanka
Enumeration
?
4.On completion of enquiries into claims and objections conducted by the District Deputy/ Senior Deputy/ Assistant Commissioners of Elections and after inserting the names to be included and removing the names to be deleted, such amended electoral register is rechecked with the BC Forms handed over by the enumerators and then the ?Draft Register? is exhibited at District Elections Offices, all Grama Niladhari Offices and on the web site of the Department, a week prior to the prescribed date for the certification of the electoral register.
http://52.1.201.50/web/index.php/en/enumeration
Election Commission of Sri Lanka
09 Question
How can a person find whether he/she is registered?

Answer
The names to be deleted from and included in the valid register are exhibited at the Grama Niladhari Offices, Local Authorities, Divisional Secretariats and Elections Offices, during the period of exhibition of names to be included in and omitted from the electoral register, generally in the months of September / October. The draft of the register will also be exhibited through the internet during such period. Information can be obtained through the website and the Government Information Center (1919) or Tell Commissioner as well as through the face book during the period of election.
http://52.1.201.50/web/index.php/en/faqs#b-electoral-register-voters?-list