Your customers can pay you right from the invoice link you have sent them. They can go to the particular invoice, select ICICI Bank eazypay as their payment method, choose the payment mode (online or offline) and make the payment. Learn More
However, you will need an account in ICICI Bank eazypay and must have set up the Zoho Books - ICICI Bank eazypay integration to do this.
and GST filing.