New Delhi, Nov. 1 -- The India Punjab National Bank Officers' Federation (AIPNBOF) has expressed concern over the recent suspension of several branch heads across the country following instances in which unauthorised people were found sitting before branch computers and standing in cash sections.

The bank has taken these strict measures against the backdrop of an incident at its Greater Noida branch, where customers reported money missing from their savings accounts and fixed deposits.

A female employee is suspected of carrying out the fraud. She allegedly acted in collusion with outsiders, used the branch manager's password to transfer funds from customers' accounts without their knowledge.

The federation's circular, dated October 30,...