The embodiments herein provide a system and method for measuring active participation of audience watching a TV programs and advertisements, in terms of age and gender. The system comprises a monitoring device which is configured to record TV audio, room audio and TV visual outputs, using an image sensor. The monitoring device is further configured to detect the audience engagement level, in watching the TV show, by monitoring the audience expressions and behavior. The audience engagement level is also detected by tracking the eye ball movement of the audience. The monitoring device is configured to continuously check and detect visitors who have joined along with already registered viewers to watch the TV programs. The monitored information is analyzed and visitor/viewer profile is created accordingly.