There's a part for everyone..
I just thought it will be good to share these links
http://ds.ecitizen.gov.sg/pa.html
http://ds.ecitizen.gov.sg/ds_agencies.html
It's for contacting the various agencies with your suggestions and stuff.
Eg, you may have info for ISD or some suggestions to MHA or the for enhancing security. Instead of writing to the papers where it might be dismissed, you can send your feedback directly to the respective units.
I hope this will help in making the country safer for everyone.