Modes of verification under Manipur GST Rules: Aadhaar EVC and bank OTP, with verification required within two days. Notification specifies two modes of verification under the Manipur GST Rules: Aadhaar-based Electronic Verification Code (EVC) and bank account-based One Time Password (OTP), and requires that verification via these modes be completed within two days of furnishing the documents; the notification became effective in June 2017.