HDFC Bank — the hdfc bank has put a hold on my funds

The hdfc bank has put a hold on my funds of rupees 2754.20 as mi revenue hold through gefu, ac number is
Account number: 5010*4287
Ifsc: hdfc0001808
Branch: nallasopara east
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. I want my money back.