How much you clean and tidy you maintain your kitchen that much you are protecting your health. If you leave your sink in your kitchen with used dishes and left over food for long time then cockroaches definitely come there. If you won't stop them coming then health problems occur. The place where we place dust bins, water moving pipes, the left and waste food, all of them must be cleaned regulary because cockroaches mostly love to stay at such places. when you clean your sink in your kitchen, first you should sprinkle bleaching powder and after 2 minutes you should sprinkle salt. Then after 5 minutes you should clean the sink. so that no cockroaches enter again.
By mixing sugar and boric powder finely, then sprinkling this mixture at the 4 corners of the room, broaken floor and broken walls. So that cockroaches cannot enter. Most of the cockroaches like to stay at the wetplaces. So you need to takecare that your room should be clean and dry. Then only they will stop coming. If you place kheera cucumber slices in the kitchen where you place food material then cockroaches does not come there.
If you make powder of curry leaf or neam leaves, then sprinkle the powder where ever cockroaches may come then no cockroach will enter. There is a chance of occurance of cockroaches, if you keep clothes without using for more days in a wooden cupboard. The cockroaches will make small holes on the clothes. By throwing camphor balls (Naphthalin balls) in the cupboard is the best solution as due to the smell of them no insect can enter the cupboard and spoil the clothes. The cockroaches problem will be much under the sink, near the pipes of the sink, in the bathroom, near the pipe of the wash basin and the near the watr outlest of the washroom. If you sprinkle the mixture of vinegar and salt by mixing in a mug of water. Then problem will be solved.