Tethering is Reversed by some Root Prompted Apps.
so u can get internet from your PC Net connection through USB to your Mobile.
For the full TUT go here -----> http://forum.xda-developers.com/show....php?t=1371345
i have tried this on my SAMSUNG GALAXY CORE (GT-I8262) rooted with Stock ROM, I'm not sure if it works on Custom ROMs or Not?
I hope this might be helpful.
v_singh (VIPIN SINGH)