Crackers which we burn on the diwali day are very harmful as they release some gasses. but the gas which was released by the crackers kills mosquitoes as they increase their numbers in rainy season. but we can control mosquitoes population in many ways. many children are working in factories which manufactures crackers and many fire accidents happens in those factories which took lives of many children. we should not burn crackers while they are dieing to give happiness for us in the from of burning crackers. Owing to crackers many things burned and there was huge property loss when some body made a mistake while burning it. So," SAY NO TO CRACKERS".