After Gurgaon's recent downpour turned city roads into mini-rivers, the monsoon has once again reminded us that driving in the rain isn't just about navigating puddles. It's about navigating chaos.

NEW DELHI - Parminder Singh, toy salesman and part-time driving instructor, turned to his newest student and carefully spelled out a basic rule: "In Delhi, the horn is not a problem." If a bus won't ...