This system to be used only for re registration of W & OP.
Firstly, Check Your W & OP No via Below Link
If you can get your W & OP Card here, you DO NOT NEED to Re Register.
If You can not get via online (but you have the W & OP Card or number with you) you need to RE REGISTER. Click Below link and RE register
If you do not have the W & OP Number, contacting the officer in charge of the personal files in your institution
News, Circular, W & OP Re Registration