A 71-year-old man, identified as the grandfather of Ketan Agarwal, dies of cardiac arrest, according to NDTV. The report states that the grandfather had been unwell since the death of his grandson and that the family links his health condition to the loss. NDTV reports that he was already suffering before his death and that his death occurs after a period of illness that began following the murder of Ketan Agarwal. The coverage does not provide additional medical details, information about any treatment, or new information about the circumstances of Ketan Agarwal’s death beyond referring to it as a trigger for the grandfather’s decline. The report presents the cause of death as cardiac arrest and attributes the prolonged illness to the impact of the grandson’s death, as stated by the family. Further details regarding timelines, location, or official investigations are not included in the provided source.