GST certificate cancellation procedure

Ok, You have to file all return ( GSTR1 and GSTR3B ) till date  and pay all tax liability , then you file REG-16 from on GSTN portal , which is Application for Cancellation of GST registration. Then after approval from department your GST registration will be Cancelled. finally you have to file GSTR-10 Final return after approval , also GSTR 9 for current year , when it's available on GSTN portal.

If you residing  in special  Category  of state  then  Gst  turnover   limit  is 10 lacs rupees ( ten lacs)   take  others Opinion  as well  in above  Case .