Cancel of gst number

Kollipara Sundaraiah (B.com) (2963 Points)

21 October 2020  
a gst registration dealer monthly gst returns pending from April-2020 to September-2020(not filed). dealer pending returns filed at present late fees and penalty applicable.
question:
dealer cancel of gst registered number at present date applied cancel of gst registered number w.e.f date 31-03-2020 mentioned in cancel application form allowed in gst act.