A country which has its borders made by land faces major security threat from enemy infiltrations, with the help of ultra-modern techniques like concertina fencing, unmanned aerial vehicle and advanced imaging devices also fails to reduce the infiltration. This paper is to stop the infiltrators with the help of a simple mechatronic robot with GSM modem. This robot has a nylon sensor shaft mounted with an infrared trans-receiver is placed in a gear disc coupled with dc motor drive scans the area for infiltrators.