The Mumbai police have filed a case against unidentified cyber fraudsters for cheating vehicle owners by creating fake links for the registration of High Security Registration Plate (HSRP) for vehicles, officials said on Thursday. The incident came to light after an Assistant Transport Commissioner-rank officer approached the South Region Cyber police station here on Wednesday with a complaint against unidentified cyber fraudsters, an official said. The Maharashtra transport department has earlier mandated the vehicles registered before April 2019 to install HSRPs by April 30 this year. As per the Supreme Court's orders, the HSRPs are mandatory to prevent vehicle-related crimes. Accordingly, the work of replacing the number plates has been started in the state. The Regional Transport Office (RTO) has provided a link on the transport department website to facilitate vehicle owners to register themselves for the HSRPs, the official said. "The RTO has selected three vendors - Rosmert