Dormant clients can trade effectively from T + 3 days.
T Day: Dormant reactivation request received.
T + 1 Day: UCC in exchange is activated, and the exchange sends data to the depository for linking.
T + 2 Day: End of T+1 or by T+2 confirmation from depository is received for successful UCC linking with demat, and post this trading rights are enabled in system.