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The paper reports an Internet of Thing (IOT) based health monitoring and tracking system for soldiers. The proposed system can be mounted on the soldier's body to track their health status and current location using GPS. These information will be transmitted to the control room through IOT. The proposed system comprise of tiny wearable physiological equipment's, sensors, transmission modules. Hence, with the use of the proposed equipment, it is possible to implement a low cost mechanism to protect the valuable human life on the battlefield. It also includes about securing of data of soldiers in the cloud using cryptographic algorithms.

Voltage controlled oscillator is widely used in many electronics devices. It is used to generate the signals for broadcast by radio and television transmitters, clock signals that regulate computers and quartz clocks, and the sounds produced by electronic beepers and video games. In this paper we propose a novel way to modify the existing VCO and provide an enhancement to control the output voltage level which can be used in any application of varying required voltage level. The simulation is done using tanner using 250nm dimension.