Nippon Paint India — Company places purchase invoices by mistake of large amount and they dont even cancel bills

Am a paint dealer i have an retail store from 35 years, now the nippon paints (bangalore depo) made bill on our company name which we havent placed the order, which they havent even delivered and which they havent cancelled the bill which they made by mistake of april month 2023. I contacted the tso, gm, manager and even accounted been trying to resolve this but they have failed and now they haven even filled on gst portel . I dont knw how to resolve this seeking to raise an complaint against company