When it comes to celebrating a safe Diwali, it's not just the firecrackers and increased pollution levels that pose a health hazard, but also what you are eating. Diwali mithai is one of the. Diwali is a festival of joy and sweetness, but one should not be hasty when buying sweets. Purchase from a clean and hygienic shop, check the dates and details on packaged sweets, and avoid.