Vidya Mantra mails monthly invoices or statements, also there will be a statement available for download in PDF format via the support portal monthly.
To download your statements:
Go to Vidya Mantra portal.
Login in to your account.
Then click 'My invoices' under billing in the main menu. It will show you all your invoices generated till date..
Click 'View invoice' besides the invoice no. to view it.
And can also click the 'Download' link to download it.