If the link doesn't work, kindly follow the steps below:
For VFS Consent Form:
1. Visit the
https://visa.vfsglobal.com/sgp/en/can/
2. Look for the "Apply for a visa" tab, and then click on "Start now"
3. Look for number 1, "Identify visa type" and click on View More
4. Scroll down a little, look for the VFS Consent Form link
For CVAC Mail-in Checklist:
1. Visit
www.vfsglobal.com/sgp/en/can/
2. Look for the "Apply for a visa" tab, and then click on "Start now"
3. Click on the "Apply by mail" tab
4. Look for number 2, "Begin your Application" and click View More
5. Scroll down then look for number 2 wherein you can see the CVAC Mail-in Application Checklist