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Abstract: Unlike Road accidents, train accidents do not happen as often, so they are not usually shown as a major threat. But when one occurs, it usually results in serious injuries or death. There is a possibility of train derailments caused by faults in rail tracks. These derailments are caused by improper maintenance and current irregular & manual track line monitoring as well as human errors. This project is based on the idea that we must develop a system that can detect faults in the railway track before an incident occurs. The main objective is to develop a bot capable of detecting cracks and unwanted faults in the railway tracks. In a country like India, where transportation is primarily provided by railroads, this paper discusses a detection system in which a microcontroller based smart robot is used to detect any cracks in the railway track. Trains carry most of the goods from one region to another due to their low transportation costs. People prefer trains for travelling long distances over roadways due to their comfort and lower fare. Thus, it is vital to ensure the safety of the railway tracks. Therefore, a robot that can detect faults or cracks in the tracks would be able to protect the trains from accidents.