We have Stop all the Sale/Purchase in our Company from July'2012. Now, we are filing ER-1 online as sale/Purchase NIL. But we are showing in ER-1, Stock of Finished goods and Balance of RG-23 A Part II from July'12 to till month. Now we want to surrender our Excise Registration. Can we do this between this Financial Year? if Yes, What is the procedure for Surrender the registration?