How much is the Challan? New Delhi: Noida vehicle owners must take a note that the Deadline to get high-security number plates is just a week away. With the government tightening its noose around mandatory High Security Registration Plate (HSRP), the Gautam Budh Nagar district (part of NCR) of Uttar Pradesh has not seen a very optimistic volume of vehicles seeking HSRP. As on first week of February, only 21 percent of the vehicles were beig put on high security number plates in Gautam Budh Nagar district. 7.5 lakh vehicles have been registered in Gautam Budh Nagar, Out of which only 1.60 lakh vehicles have high security number plate, data in February showed.