why it is advisable to consume sweets made of milk like rasgulla within 24 hours

Milk is a very perishable product that means it gets destroyed in very less time and easily due to microbial action. Microorganisms are very active in warm and humid conditions with food and all of these are provided by sweets made up of milk. So, they are capable of getting attacked by microorganisms earlier than other products and it is advisable so consume them within 24 hours.