gst notice for cancillation of regn.

Manohar Singh (288 Points)

11 February 2019  
sir
i got a notice with remark ' Business activity not found on given address'
but the business is going on at the same address . my mistake is that i have not any sign board of gstn.
please guide me how to reply
i have been called to appear personally before the concerned officer.
should i appear before him ?
thanking you