Is technology used for identifying voters at polling stations (electronic poll books)?

Bangladesh, Representation of the People Order (RPO) 1972 (last amended in 2018), accessed 1 January 2019

31. (1) Where an elector presents himself at the polling station to vote, the Presiding Officer shall, after satisfying himself about the identity of the elector with reference to the electoral roll, issue to him a ballot paper or allow him to cast his vote by using EVM.

(2) Before a ballot paper is issued to an elector-

(a) he shall be required to receive a personal mark made with indelible ink on the thumb or any other finger of either hand;               

(b)the number and name of the elector as entered in the electoral roll shall be called out;

(c)a mark shall be placed on the electoral roll against the number and name of the elector to indicate that a ballot paper has been issued to him; […]

Dhaka Tribune, Watch: A beginner’s guide to Electronic Voting Machines, July 20th 2018, accessed 1 January 2019

“Voter identification: After accessing the EVM, a list of voter data will be visible on the screen of the machine. Voters can be identified by three ways—smart cards, voter ID numbers, or finger prints. To identify voters, multiple options can be used, but fingerprint verification is mandatory.

Once a person submits his or her fingerprint, the unit will display information about that person on multiple screens. This feature will aid the polling agents to identify the voter.”

However, the EVMs, which were available only in 6 constituencies, used electronic identification.