You have to provide reason for cancellation because your turnover is more than 20 lakhs & you are opting for cancellation of registration . You have to file all the returns from Nov – 2017 till the date of approval of cancellation with interest / fees whatever required . Get in touch at firstname.lastname@example.org for professional service required for gst cancellation or any compliance
Firstly you have to furnish all your relevant returns and pay the late fees and make sure you don\’t have any input in your credit leger if there is any adjust it . And then make an application for cancellations or contact your concern tax jurisdictional officer for cancellation.