CAT 2024 Registration last date closes at 5 PM on September 13, 2024. You should register and apply early to avoid last minute glitches. The last date for CAT 2024 registration may be extended as revealed from the historical data of CAT Registration last date extension trends. Check below the key reasons and past trends in CAT registration extension. IIM Calcutta which is conducting CAT 2024 may make announcement in this regard in the evening hours. IIM Calcutta is likely to extend the last date for CAT 2024 registration which is closing on September 13 at 5 PM.