The Institute of Chartered Accountants of India (ICAI) has announced a major technology upgrade for its verification ecosystem, confirming that the Unique Document Identification Number (UDIN) Portal will be migrated to the ICAI DigiCA Platform on 20 December 2025.
According to the UDIN Directorate, the shift is part of ICAI's ongoing digital enhancement initiatives aimed at offering members a more intuitive interface, smoother performance, and improved functionality aligned with recent Council decisions.
Official copy of the notification is as follows
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.
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