but in islamabad system is different as compare to cplc Karachi, here no system like cplc sound then clear, hear only clear is clear, n isb number cars no return file system, in khi we have to attach fir copy in return file, so as hash4u say no stamp on book & num plate, then how cars price go down?,,, n i tell you one think about isb once i bought khi-duplicate num plate car, bought for 355 n sold for 385 in 3-4 for days through PW, at that time i dont know duplicate plats reduce the price of car n 6-7 ppl come to visit the car n no one ask me its duplicate num plate so cut down the price, n car sold, after few days i see a add "car origional condition main hai, bus num plate duplicate hai is wja se pasy kam hen" then i search a lot on it n find duplicate plats reduce the price of car50-100k, then never ever i bought duplicate plate car, n in khi cplc sound car also reduce the resale, but here 80% ppl dont know about cplc