Interface Digital Solutions Pvt. Ltd. Supplies Access Control & Time Attendance System. Interface Digital Solutions Pvt. Ltd. Manufactures office automation & telecom solution. Access Control & Time Attendance System is proximity / biometric based access control & time attendance systems which is available along with software. The readers of Access Control & Time Attendance System are available as standalone or with multi door controller. The entire solution is based on RFID & Smart Card. This system can be monitored from a single room up to multiple facilities. These solutions ranging from one door stand-alone or hundreds of doors and thousands of employees.