Eight such systems known as 'Aadhar Based Bio-Metric Attendance Systems(AEBAS)' have been installed at six gates of Nirman Bhawan.
The Unique Identity Authority of India (UIDAI) has provided the machines and the attendant software and authentication devices for the wall mounted systems, said a senior Urban Development official.
Employees have to use last four digits of their respective 'Aadhar' number as 'Personal Identity Number (PIN)' besides using finger for authentication. An Aadhar registration camp is being organised for those who do not have Aadhar cards.
Naidu then directed the Ministry officials to take necessary measures to ensure punctuality at work.