Lok Sabha elections: Fatal heat waves are testing India's ability to protect 1.4 billion people

Kolkata faces extreme heat and heat waves with inadequate measures to protect residents. Commuters seek refuge in a glass-walled bus shelter with malfunctioning air conditioners. Local authorities' plans to install cooled cabins have not been fully realized. Mayor Firhad Hakim expresses concerns about the city's lack of heat resilience efforts and high death toll.