റവന്യൂ ഇൻഫർമേഷൻ സർവീസ് ടോൾ ഫ്രീ നമ്പർ. 18004255255
സ്ക്രീൻ റീഡർ ആക്സസ്
| Screen Reader | Website | Free / Commercial |
| Windows narrator(windows only) | http://www.microsoft.com/enable/training/windowsxp/usingnarrator.aspx | Free |
| Non Visual Desktop Access (NVDA) | http://www.nvda-project.org/ | Free |
| System Access To Go | http://www.satogo.com/ | Free |
| Hal | http://www.yourdolphin.co.uk/productdetail.asp?id=5 | Commercial |
| JAWS | http://www.freedomscientific.com | Commercial |
| Supernova | http://www.yourdolphin.co.uk/productdetail.asp?id=1 | Commercial |
| Window-Eyes | http://www.gwmicro.com/Window-Eyes/ | Commercial |
