HOW TO CLAIM CREDIT WHEN NO MOVEMENT OF GOODS

A is a purchaser ,Mumbai of all foil from B of Ahmedabad , Gujarat.Now B Buys cylinders from C Ahmedabad. Now this cylinders are frequntly used. So,it is kept with B. Now if B prepares invoice for
cylinder as per defination of place of supply in invoice SGST and CGST must be charged.Now in this case as A is interstate Dealer How can claim credit of SGST and CGST