Green
Organic / Food Waste
No paper, plastic wrappers, disposable cups etc
Blue
Dry paper, Plastic, Cans
No wet or contaminated paper or plastic that has food or oil, or wet liquid,etc
Red
Everything else
Anything that you are not sure about, it is best to put in this category
Yellow
Bio Hazardous
biomedical wastes such as syringes, expired tablets, human anatomical wastes, etc.