In real world environment the vehicles has been integral parts of the human activities. In transport, goods, personal or commercial uses depend on the vehicle. The RTO of the government will assign an unique number to recognize the owner of the vehicle, this number is known as the license plate number or just number plate of vehicle. The recognition of these license late umbers plays vital role in crime scenarios of the illegal movements in the city, highway etc. the use of the digital image processing technology like OCR, RIO based image segmentation has been in high as it uses simple and effective methods to locate extract and recognize the license plate which will be used in the later use by user.