Without taking any measures any one can put the adv. Of second hand cars So the cyber theif are also putting their adv. And ask for money for the trial of vehicles and say that the vehicle will come to door for test drive but we have to pay some money as a security deposit. Then later they will call and ask for more money and give the reason as discontinue of GPS They contact us different different numbers and name, Such as Munne Gowada, Chini Barman and they use paytm bank for money transfer.