Detailed information of 5 Years - Goods and Services Tax - GST

Dear Sir/Madam Now a days GST department is asking detailed information of 5 years of providing copy of all Purchase Invoices, GRs, Eway Bills and Sales Invoices with E way Bills generated. Bank details and proof of payment with in 6 months of purchases, copy of Debit and credit notes, bills for reverse charge etc. If the turnover is more than 100crs, please guide, how to provide all information in short time of 10 days. Scanning will take months for all to make PDF. Please guide how to handle the issue. Is there any provision or case law where a test check can be done by the department to avoid tedious job. Your guidance will help many concerned D Aggarwal