You can log in to your customer portal - https://www.vidyamantra.com/portal to check/pay for the invoice. The login credentials will be the same credentials you used to sign up for the service. You will also find these credentials in the welcome mails sent by VidyaMantra.
You will find all your active products /services and their details on the dashboard inside the customer portal. To look up and pay your due/overdue invoices, you may check under the due/overdue invoices table.
To pay an invoice click on the “View Invoice/View All” button near Your Active Product/Services to proceed with the payment. You can also click on the invoices on your customer portal dashboard to know more about the invoice history and make the payment of due/overdue invoices.
You can also make mass payments of all your due/overdue invoices through a single payment process.