A significant study conducted by the All India Institute of Medical Sciences (AIIMS) in Patna has established a crucial postmortem marker for heat stroke deaths, identifying the rupture of the pre-optic area in the brain as a consistent indicator. Led by Dr. Ashok Kumar Rastogi, the research was prompted by a surge in heat stroke fatalities during the extreme summer of 2024 in Bihar, where temperatures soared to 48 degrees Celsius. The study involved detailed autopsies of individuals exposed to severe heat, revealing that in three out of four cases, the rupture of the pre-optic area was observed. This finding is expected to enhance the accuracy of medico-legal investigations and facilitate the settlement of insurance claims related to heat stroke fatalities. The study, published in the Medico-Legal Journal, marks the first research of its kind on humans, as previous studies focused primarily on animal models. Dr. Rastogi plans to further investigate biochemical changes in cerebrospinal fluid and blood to expedite the confirmation of heat stroke deaths, potentially simplifying the assessment process.