Reversal in HANG SENG ??

HANG SENG Index corrected from top of 33484 on Jan 29,2018 till 14947 on Oct 25, 2022. 

It looks Hang Seng index ‘s low done. very good reversal pattern formed. I will name it as a Damru Chavi.

its a strong reversal pattern. 

This formation is not there in kaka’s book.