Gst on bags

DEAR SIR/MADAM, IF I ISSUE A DEBIT NOTE FOR SALE OF PLASTIC BAGS TO ANOTHER PARTY, IS GST APPLICABLE ON IT? HERE I AM A PRODUCER OF LITHARGE(CHEMICAL POWDER) AND PACKS IT IN 25 KGS PLASTIC BAGS. I PURCHASE BAGS FROM PURITY BAGS LTD BUT A PARTY(GRAVITA LTD) TO WHOM I SELL LITHARGE, WANTS A 1000 EMPTY PLASTIC BAGS FOR ONLY INTERNAL PURPOSE. SO, IF I GIVE(SELL) 1000 EMPTY BAGS TO GRAVITA, IS GST APPLICABLE ON IT????