Former chief minister of Uttar Pradesh Kalyan Singh breathed his last on Saturday. Kalyan Singh was 89 years old and admitted to Sanjay Gandhi Postgraduate Institute of Medical Sciences (SGPGI) on July 4 in the Intensive Care Unit (ICU) in a critical condition. A three-day mourning will be declared in Uttar Pradesh to condole the death of Kalyan Singh, who passed away due to sepsis and multi-organ failure. Watch top headlines.