Exclamation Download odin flashable stock rom for galaxy grand duoa i9082

Hello developers...
I am new here....
I have flashed my phone with the latest CM11 by "pawitp" (dual sim support)

But for some reasons I want to download the odin flashable STOCK rom....

where can I get that rom....

I tried to download from it from sammobile's firmware portal.... but it failed after 15-16 % all the time....

so please help.