Here are a couple of little totems we've noticed that are used to ward off evil spirits:
It looks a bit funny, but you see a lot of cars with a set of braids sticking out of the front bumper and dragging on the ground. One might think it's a joke, sort of like stuffed animals attached to big rigs or those trucker b*lls you find in the back of...never mind. No joke, the braids are there to keep evil spirits away. Does Geico offer a discount for this option?
There's another little sign at construction sites. In the U.S., we like to place a tree on top of an under-construction building, once it has reached its final height -- known as "topping out." Here in India, it's all about deflecting evil.
The enforcer? How about a painted pumpkin: