UDIN is a unique identification number for ICSI members and other stakeholders. This web page allows you to verify UDIN and get helpdesk guidelines for the same. UDIN is a unique identification number assigned by ICAI to its members for verification and certification of documents. To verify UDIN , enter the number, captcha, verifier name, mobile, email and OTP on this web page. Accordingly, the Council at its 374th meeting decided to implement UDIN , therefore it has been made recommendatory with effect from 01st July, 2018, and later on it would be made mandatory. UDIN is a 18-digit number for certifying/attesting documents by CMAs. Learn how to register, verify, change password and troubleshoot on UDIN Portal.
