Tethered Unmanned Aerial Vehicles (UAV) are ideally suited for applications that require more endurance built to withstand harsh environments. Also, high band width communication is possible because of optical fiber tether. The Tethered UAV based surveillance System is a solution for Border Security Force (BSF) applications by enhancing Electro optic (EO) surveillance capabilities thereby providing enhanced situational awareness and dynamic command and control functions. With the displacement of the EO payload at an approximate height of 100 meters, the operational capabilities of the EO sensor are enhanced.