Lets start from metro or big cities.
Here are lot of PO’s alloted to branches as business size increases with the type of city.
comunication skill must wanetd
Here basically one PO always looks after the daily debit credit transactions as he is a passing authority upto some extent(Rs 100000) this may vary from bank to bank,as the amount exceeds it goes to next
One PO is allocated to clearing house as well as financial transfers like NEFT/RTGS etc,here is also work of PO is to authorise transactions and to authenticate the transaction in a very best way.