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                   8229 Points
                   Joined March 2007
                
               
			  
			  
             
            
             In this case place of supply is Gurgaon.  Assuming that your Gurgaon warehouse is not registered (if turnover is below Rs.20 lacs), you will not charge any tax.  If you are registered in Gurgaon, you will charge CGST+SGST.  As regards advance payment, your Delhi office will credit to your Gurgaon warehouse and not to the party.  Your Gurgaon warehouse will credit to customer account.