Cancellation of gst registration

We are in the process of Cancelling registration of 1 of our client, who was migrated from MVAT regim to GST. While cancelling the registraion we have to state the reasons for Cancellation. In this case the reason for cancellation is Turnover below prescribed limit of Rs. 20,00,000/-. In this will it be sufficient if we state reason as Turnover below pescribed limit, or we have to state anything else, Please share.your views.