You need to file online rectification through the income tax e-filing portal, i.e. incometaxindiaefling.gov.in
While creating the rectification xml file, you need to change the bank details in the return form. Accordingly, after online submission of rectification, the website will generate a form called "bank account change authorisation". You need to take a print out of it and send a signed copy of the same to CPC Bangalore alongwith a cancelled cheque of the new bank account mentioned in the rectification. After it is verified by the CPC, the dept will grant the refund in the new bank account.
- CA. Amol G. Kabra