If you have a grievance with your bank and have exhausted all means of resolving it with the bank itself, you can file a complaint with the Banking Ombudsman of RBI. Here's how you can do it:
Visit the Reserve Bank of India's official website (https://www.rbi.org.in/), and under the 'More Links' section, click on 'Complaints' and then select 'Ombudsman Scheme for Digital Transactions.'
On the next page, select the state where the bank branch is located from the drop-down menu under 'Jurisdiction of Ombudsman.'
On the next page, you can either download the complaint form and send it to the concerned Ombudsman's office by post, or you can fill out the online complaint form and submit it.
Fill in your personal details, bank account details, and a brief description of the grievance.
You can also upload supporting documents such as bank statements, emails, and letters.
Once you submit the complaint, you will receive an acknowledgement from the Ombudsman's office with a unique reference number.
The Banking Ombudsman will investigate the complaint and provide a resolution within a specified time frame.