Rectification of bank account no. on i.t. refund

What is the exact/correct process of correction in the refund cheque in regard to bank account?

Bank account correction may require due to reasons like bank account closed by client which was mentioned at the time of filing of ITR etc.

• What  is the procedure for rectification of Bank Account No. on the Cheque
• Is there any change in the E-filled ITR’s and Manually submitted ITR.