Its easy then. Just mail to the
Grievance.Redressalcc@hdfcbank.com and ask them for an updating your Regalia. You have the limit eligibility for an update.
I am hoping you’ve done your math regarding the reward system of the DCB.
Also do push for LTF in the first try anyway. They issue it via the allumni program and after a long term relationship with the bank but no harm in trying.