Journal of Data Processing Shanawaz Ahmed J, Wahidabanu R S, AuthWaseem Ahmed 6 1 2016 With the advent of mobile technology, providing accurate information at a critical time for those in need has become easy. People moving around in the crowd may get lost or face medical emergencies due to previous health problems. In such a scenario, the mobile technology can be deployed to provide information to those who are lost or need emergency medical help. This study presents a real-time system based on Quick Response Code specifically designed for any crowded environments where there is a requirement for people to be assisted for navigating to their respective destinations. Compressed and encrypted information about individual participants is encoded in the Quick Response Code and is provided to them. If somebody in the crowd is lost or injured, volunteers and organizers can use smart phones to scan this Quick Response Code to retrieve information and provide the necessary help. The same system can also be implemented for any other scenarios like huge exhibitions, airports, shopping malls or even the battlefields where there is a chance of an individual getting lost or requires direction.