Dear Venu,
I think you have not got the requirement actually.So copy control will not work for this requirement.
Hello Rakesh,
Yes this is possible by Screen Variant or by implementing User Exit 'LV69AFZZ'.
There is a similar post, please have a look at it, hope this will help you for this issue;
Screen Variant: SHD0
http://scn.sap.com/thread/1157628
User Exit: LV69AFZZ
Thanks,