there are a few stickies in the language notes section. this is there and is relevant as urdu is similar to arabic: http://www.sunniport.com/masabih/showthread.php?t=2523 don't know about universal standards.
Assalamualaykum, I want to know whether there are any standards for transliteration from urdu. If there are any, please provide any relevant links/material. Wassalam.