HDFC Bank — HDFC Bank mirevenue hold through gefu

The hdfc bank has put a hold on my funds of rupees 6324/- as mi revenue hold through gefu, ac number is
Account number:[protected]
Ifsc: HDFC0000040
Branch: NEW ALIPORE (KOLKATA)
The amount Hold on 9th oct 2020 & next working day i am going to branch and told this but till now no response from their side .The was told to contact customer service.

The customer service is not able to give any info on this.
First of all it's hard to reach customer service because it takes a alot of time and the ivr options are very difficult and tricky to navigate, after all the effort the customer service is not helpful