Payment made to supplier with GST but supplier put Other GSTN instead of my company what steps to be

A company has paid a supplier for goods including GST, but the supplier mistakenly used another company's GSTIN on their return. The company has claimed Input Tax Credit (ITC) but their auditor has advised paying back ₹33 lakhs to the government. The user is seeking advice on how to resolve this issue and recover the ITC, with suggestions including the supplier rectifying the invoice or providing a certificate of liability.