The Central Board of Excise and Customs, under the exercise of powers conferred upon by sub-Rule 26(1) of the Central Goods and Services Tax Rules 2017, has notified the following modes of verification for the purpose of the said rule:
1.Aadhaar-based Electronic Verification Code (EVC)
2.Bank account-based One Time Password (OTP)
Provided that where the mode of authentication of any document is through any of the aforesaid modes, such verification shall be done within two days of furnishing the documents.
Read more at: http://www.livelaw.in/modes-verification-gst-rules-notified-read-notification/