Mvat on stock transfer

dealer h.o situated in Delhi.

Goods imported at mumbai.

ans sells takes from delhi. and balance goods sent to H.o.

Then what will br position for sales from mumbai. if vat will be paid paid by mumbai B>o. how to prove it's stock transfer since no movement of goods from H.O. to B.o.

when stock is tr. to delhi , which form is issued. in this case H.O. will issue F form to branch can H.O. issue F form for stock transfer.....