As you can imagine,
India's palette of aromas has sharp contrast. One moment you're dodging cow paddys strewn about the sidewalk while avoiding speeding taxies and naked children playing on the street infront of their carboard shacks, and the smell of human excrament will fill your sinuses.
Then perhaps one minute later, walking through a market, the most tantilizing spices seem to reach right out and touch your nose, their flavour leaping from hot oily bubbles in firey bowls, as cooks flip and spin their cuisine with mad talent, shouting loud vocal patterns to market their taste...