Laptops and cars are being stolen lately

There have been many cases of steeling cars , phones and laptop , there have been above 150 cases like these in less than a week near sector 50 _ 51 , yesterday it was reported that two cases of missing laptops have taken place from 3:30 to 6:30
A man , women and child went to get some stuff when they came back in two min they saw that their car window was broken and the laptop was missing , luckily inspector sanjay and his junior were passing by , as they knew cases like these will happen on a Saturday . If the police knew something like this would happen then why are they not taking any safety measures