India is experiencing an escalating heat crisis that is claiming thousands of lives, though the precise death toll remains unclear due to significant undercounting in official statistics. The case of Palli Mahalaxmi, a 50-year-old rural laborer in Andhra Pradesh who died from heatstroke while working in a government employment scheme, illustrates the vulnerability of India’s informal workforce. Working in fields without shade protection in temperatures exceeding 40C, Mahalaxmi collapsed during her shift and was pronounced dead by a doctor who determined heatstroke as the cause. Her family has received no government compensation and now relies on neighbor assistance to survive.
The broader scope of India’s heat mortality crisis is poorly understood. Official government statistics reported only 460 heat-related deaths in 2024 and 84 in 2025, figures that experts and researchers believe drastically underestimate actual deaths. A University of California, Berkeley study estimated that a single day of extreme heat could cause approximately 3,400 excess deaths nationally, while a five-day heatwave could kill nearly 30,000 people. However, researchers encountered systematic obstruction from the Indian government in attempting to obtain official country-wide death data, ultimately forcing them to rely on limited public information from only 10 cities.
The undercounting stems partly from medical and administrative challenges in establishing heat as a cause of death. Unlike sudden causes such as heart attacks or drowning, lethal heatstroke does not leave easily visible markers and instead causes organ failure through progressive core body temperature rise and dehydration. Medical professionals across India report that heat deaths are frequently recorded under alternative causes, particularly in rural areas where people lack access to proper medical evaluation. In some cases, death certificates lack any stated cause of death. Approximately 90 percent of India’s workforce operates in the informal sector with minimal heat protections, including farmers, construction laborers, and street vendors who regularly work in temperatures exceeding 44C.
Urban areas are also experiencing severe heat stress. Delhi reported that 76 percent of its areas face persistent heat stress, with “feels like” temperatures reaching 52C in recent months. At Ram Manohar Lohia Hospital in Delhi, specialists note that patient arrivals already deceased during heatwaves rise by three to five times compared to normal periods. While heatwaves were officially recognized as a national disaster by India’s finance ministry earlier this year, the health ministry’s heat action plan addresses health risks without specifically mentioning mortality.
Experts emphasize that accurate measurement and documentation of heat-related deaths would enable development of early warning systems and targeted interventions to prevent mass casualty events. As climate change continues to intensify temperature extremes, medical professionals warn that India faces potential widespread heatstroke epidemics without adequate preparation and data collection infrastructure.
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