A few days back the Majherhat Bridge collapsed disrupting the traffic of the affected area along with the rest of the city. After that incident authorities have been paying attention to all the bridges across the city. Coming back to the Majherhat bridge the police department is using 3D scanners to study the bridge in order to find the reasons behind its breakdown. The National Investigation Agency (NIA) uses this facility for investigations. Kolkata Police will buy three 3D scanners for Rs.60 lakh from a Florida-based company. Currently, they have been using the scanner they have borrowed from a Hyderabad-based company.