The 7.9 Richter earthquake struck at 2 AM when the city was asleep. It lasted barely 20 seconds, but its destructive power flattened almost 60% of the capital, killing half the city’s 16 million population. First to collapse were the illegal colonies of East Delhi and the trans-Jamuna and the multiple builder high-rises in NOIDA and Gurgaon, many built with local sanction but cleared without the requisite structural inputs for earthquake protection. With little preparedness and inadequate machines and supplies, disaster teams were slow to react; as fires from gas leaks raged across the city, hospitals were ill equipped to deal with the injured and homeless, who spent the night huddled in parks. Uber cabs were seen ferrying dead bodies for mass cremation in what was once Connaught Place...