HDFC Bank — MI revenue hold through gefu

The hdfc bank has put a hold on my funds of rupees 600, 4 as mi revenue hold through gefu, It's a zero balance ac number is
Account number: 5010*****58
Ifsc Code:HDFC0002503
Branch: Thane wagle branch
The customer service is not able to give any info on this.
Second thing it's a zero balance ac so why are uh charging me that amount give me that explanation first...i[censored]h don't have proper management so i want to close my account... close it that first...