very sorry to know about the wings pay . we bought...

very sorry to know about the wings pay . we bought software in 2017 for GSt, prior to that we have been using wings from 2012.
we are being asked to pay annual maintenance or annual subscription for a sum of 5000+tax yearly, but while purchasing before GST we were told that it will be one time software purchase .you are misguiding the clients and customers , you should have told earlier before package purchase, suddenly after one and half year you have suddenly locked GSTR1 excel utility and asking for AMC , this is not good on your part and suddenly you can't demand for AMC it is customer will and option to opt for AMC , i request you to please unlock Excel utility GSTR1.