Aditya Puri MD of the bank is summoned by the court to face trial.See attachment.
The actions of the bank that too in writing including notice to seize property does not seem to be lawful.
You seem to have a good case and you should consult local lawyer and proceed against the bank and press to summon the principle officer of the bank MD/CS
1.Aditya Puri
Managing Director
HDFC bank Ltd.
Senapati Bapat marg
Lower Parel
Mumbai.India
2.Sanjay Dongre - Vice President (Legal) & Company Secretary
HDFC Bank Ltd., HDFC Bank House, Senapati Bapat Marg, Lower Parel (W),
Mumbai - 400 013.Telephone: 2498 8484 Extn : 3473,
Email id:sanjay.dongre@hdfcbank.com,
and 3. Local Branch Manager
and file for everything damages/defamation/extortion/criminal intimidation etc.