Hello @Ravichandran, Gopi Krishna
Welcome to Microsoft Q&A Platform,
First please make sure that DDoS logs are properly configured:
You may want to run a new simulation using the official partners for this purpose, just to be sure that you are generating traffic enough to trigger the DDoS mitigation:
https://learn.microsoft.com/en-us/azure/ddos-protection/test-through-simulations
I hope this helps!
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