How can idelete multiple invoices after uploading json file

Imran Ahmad (Working on GST with HLL & Castrol Distributor )   (118 Points)

12 October 2017  

Sir I have uploaded JSON file on but due to multipule changes in Invoices i want to delete all Invoices from Gst Portal and upload a fresh JSON file. Pls help me how can i delete multiple Invoice at one click

Imran Ahmed