The Institute of Chartered Accountants of India (ICAI) has announced the migration of its existing UDIN Portal to the new ICAI DigiCA Platform, scheduled for 20th December 2025. This upgrade aims to provide members with an improved interface, enhanced usability, and additional features aligned with Council decisions. During the migration, the current UDIN Portal will be unavailable for approximately 24 hours from midnight on 19th December 2025, affecting UDIN generation and verification activities. Members are advised to generate any required UDINs prior to the scheduled downtime. To assist users, a comprehensive User Manual will be made available on the new DigiCA Platform. Furthermore, ICAI will launch a dedicated UDIN Mobile App for both iOS and Android on 30th December 2025, enabling members to access UDIN services conveniently via mobile devices. For any queries related to the migration or usage of the new platform, members may contact the UDIN Directorate at udin[at]icai[dot]in.
Institute of Chartered Accountants of India
UDIN Directorate
The Institute of Chartered Accountants of India
10th Dec 2025
Migration of UDIN Portal to ICAI DigiCA Platform
The members are hereby informed that the Institute of Chartered Accountants of India (ICAI) is contemplating migration of the existing UDIN Portal to the ICAI DigiCA Platform on 20th December 2025. The upgraded system will provide improved interface, better usability and enhanced features in line with the various decisions of the Council.
To facilitate the migration, the existing UDIN Portal will remain unavailable for UDIN related activities (generation/ verification) during the transition window for around 24 hours, i.e. with effect from the midnight of 19th December, 2025.
Members are advised to generate all required UDINs prior to the scheduled downtime.
A comprehensive User Manual will be made available on the new platform for the guidance of members.
In addition, a dedicated UDIN Mobile App, both on IOS and Android platforms, will be launched on 30th December 2025, to provide convenient mobile access for members.
For queries, please write to us at udin[at]icai[dot]in.
