Try keeping green chilies, coriander leaves, and curry leaves in a cotton bag after removing the stalks, they will stay fresh for a long time. The aroma also remains the same.
If there is soil in the ginger, wash it well in water and keep it open.
If you keep the coconut in the fridge as it is, it will get spoiled. So, grate the coconut, put it in a bowl and close it. This can be used even in case of emergency while cooking.
Instead of keeping dairy products like cheese, butter, etc. directly in the fridge, wrap them in aluminum foil, put them in a bowl and use them.
Do not keep the idli dosa batter open when keeping it in the fridge. Put it in a proper container and close it tightly. Make it a habit to cover leftover food in the fridge. Most importantly, use it the very next day.