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Railways are providing Eco-Friendly transport system for the mankind. Train accidents can happen very often due to safety violations which results from human errors or limitations in the operation of the existing system and also due to equipment failures'. Our project is fully concentrating on avoiding train collisions and ensures passengers safety through android system integrated with ultrasonic and MEMS sensor based control system inbuilt in the train. Emergency alerts can be sent through traditional tele-communication systems such as Walkie-Talkies or other communication devices. However, Collision avoidance systems using IR sensor and anti collision device are being used by the Railway sector is still facing some problems due to the consideration of some factors such as cost-effectiveness, despite it is increasing the amount spent on implementation of the devices. Currently, to some extent the Konkan Railways has put efforts to provide train safety through Zigbee and Infrared based sensor concepts. Even though it has the disadvantages such as limited range of signal covered and difficulty in their implementation in the real world it is still being used. Hence these drawbacks can be overcome in our project by using android based electronic component for the fast communication with latest technology (ARM-7 LPC 2148) to avoid collision and it gets operated through the GPS /GSM concepts. Here RTOS is ported with ARM7 which deal with much more complicated tasks. Our work will be accepted worldwide because of its effectiveness and its robust communication features.