Here is a lowdown on the colour codes: -Red-colour sticker: For the vehicles related to doctors/medical staff, medical services, ambulances, hospitals, diagnostic centres, clinics, vaccination centres, medical insurance offices, pharmacies, pharmaceutical companies, other medical and health services including supporting, manufacturing and distribution units along with their dealers, transport and supply chain; manufacturing and distribution of vaccines, sanitizers, masks, medical equipment, their ancillaries, raw material units and support services, veterinary services/animal care shelters;- Green-colour sticker: For the vehicles related to transport of eatables/food items such as groceries, vegetables, fruits, dairy products, bakery.