Geetha,
The process will follow as below ,
Co Code X
1. Create Sales order for Finished good laptop - 10 qty with rates (MTO)
2. Auto create PR for 10 Qty
3.Create PO w.r.f PR(STO-iinter)
Co code Y
4. Delivery w.r.t PO (two step)
5.Proforma invoice
Stock will get updated in Co code X
Co code X
6.Do the delivery w.r.f SO
7.PGI
8.Billing the customer
also - you can do batch for tracking or as explained above use a filed to give the PO number in Y
But am confused with your heading "Make to stock consignment "
where is the consignment coming into picture ? please explain
regards
manu