The SDN website would be unavailable due to a scheduled maintenance exercise happening on 7 July (Tue), 12am to 3am.
You may contact SDN via email (email@example.com) for any enquiries.
Thank you for your understanding.
How can I contact SDN?
Our hotline number is 6838 3988.
Mondays to Fridays: 8.30am to 5.30pm
Closed on Saturdays, Sundays and Public Holidays
Alternatively, you can e-mail us at firstname.lastname@example.org.