India is facing one of its worst-ever coal crises in decades, with power outages hitting several states. What led to the problem, and how long is it likely to last?

Partha Bhattacharyya, former chairman and managing director of Coal India, and Sanjiv Sahai, former power secretary, along with ET’s Sarita Singh explain what kindled the shortage. Clip credits: WION, India Today, NDTV, CNBC-TV18, Walt Disney Records, Michael Ghelfi - RPG Audio