Regarding cancelled GST number

direct contact to ward 

Yes, agreed. Contact your respective ward with a requestion letter, only that is possible as of now.

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Rule 23(1) A registered person, whose registration is cancelled by the proper officer on his own motion, may submit an application for revocation of cancellation of registration, in FORM GST REG-21, to such proper officer, within a period of thirty days from the date of the service of the order of cancellation of registration at the common portal, either directly or through a Facilitation Centre notified by the Commissioner:

Provided that no application for revocation shall be filed, if the registration has been cancelled for the failure of the registered person to furnish returns, unless such returns are furnished and any amount due as tax, in terms of such returns, has been paid along with any amount payable towards interest, penalty and late fee in respect of the said returns.

1st contact them. They will enable you to file the return and then fill form GST REG-21.
 

Have you filed all your returns and final return?

No no I am asking Ms. Prasad. Her case is different.

Sir,

I had entered the Wrong date of GST Cancellations. it can be modified or not. please guide me.

(e.g) 30.3.2018  CANCELLATIONS date but, iam wrongly entered 15.3.2018. the GST can be approved the date. 

now iam modified the date, it is possible or not. 

It is not possible to modify the date. 

Sir, How can I change the date of cancellations of registerations. if anyother way to change the date.