On behalf of all public sector banks SBI has floated a joint tender for installing ATMs. The bids received will be utilised by all PSU banks. Dena Bank has centralized ATM Switch “Electra” to which these ATMs are Tender document may be downloaded from the Banks website(hard copies of At any time prior to the last date for bid-submission, the Bank may. Ref No, Posting Date, Deadline, Location, Short Description. , Dec, Dec, United Kingdom, Design consultancy services.