We've recently witnessed the tragedy related to the destruction caused by the earthquake in Nepal. An estimated 7000 people died in Nepal (official estimates are normally lower than actual numbers). The physical damage to property and infrastructure can only be imagined. The impact of the quake with an epicentre hundreds of miles away, was felt in Delhi. Strong tremors, buildings swaying and people evacuating themsleves (in a chaotic arbitrary manner) - all of this was seen right here in Delhi. This happened because our Capital city happens to be in the earthquake 'danger zone'. This means earthquakes most likely can occur in Delhi and many other cities in North India. Consider this - if an earthquake of intensity 7.5 happens under the surface of the Earth right underneath Delhi, about 80% of the City would be brought down. This includes most buildings in the NCR, including unauthorised and authorised constructions, high rises and so on. An estimated 8 million people wou...