Copy VCD in Linux is an easy task actually.
the programme vcdxrip done the trick!!
1.Insert VCD in your Drive
2.Take a terminal
3.Change directory to the directory you wish to save the VCD files
4.Type vcdxrip and press enter
Wait until the command complete. It will take time!! (about 10 minutes!!)
you can see saved mpg files in your current working directory!!.
Before copy next vcd rename the downloaded files!!