E-gates from June 7

What are e-gates and how do they work?

E-gates became operational today at Hazrat Shahjalal International Airport (HSIA) in Dhaka. A total of 12 e-gates have been installed in the departure area while three are at the arrival area of Dhaka airport, through which passengers today completed immigration within 18 seconds.  But what are e-gates and how do they exactly work? We try to explain: