How do I generate an e-invoice for my business which has turnover above Rs crores?

Here are the steps for generating e-invoice in BUSY :
 Step 2: Go to Administration Menu
 Step 3: Click on Configuration Menu
 Step 4: Click on Feature and Option
 Step 5: Click on GST/VAT 
 Step 6: Enable E-invoice Required option as Y
 Step 7: Then mention the required details and then click on GSP configuration box
 Step 8: Mention valid GSP credential of Webtel Electrosoft Private Limited and Pinnacle Finserv Advisors Private Limited generated from e-way bill portal and save the configuration by click on save button
 Step 9: Go to Voucher series configuration from configuration Menu
 Step 10: Select voucher and series then click on voucher configuration option 
 Step 11: Enable Input Transport Detail as Y
 Step 12: Enable Generate E-invoice after saving option as Y then save the configuration
 Step 13: Afterward, you can create invoice and specify neccessary details as party detail, item, price and tax if needed then click on save button 
 Step 17: Then transport detail window will appear 
 Step 18: Then mention To Place and pincode and enable E-invoice required option as Y 
 Step 19 Then click on OK button 
 Step 20: Then enable or disable options as per your requirement 
 Step 21: Then check possible erros if any then resolved it 
 Step 22: Then proceed to generate e-invoice