Hi Ajay.
Indeed you can transfer the Activity qty from the Rought Cut Capacity Planning in SOP. Its not a common practice, but its possible (technically speaking). The customizing is in view V_T442C, the SOP option exist.
Caetano create this wiki about RCCP, its more related with PP boys but nice to know for CO´s
http://wiki.scn.sap.com/wiki/display/ERPMan/Rough-Cut+Capacity+Planning+on+SOP
Arturo.