Kavi Kumar Azad famously known as Dr. Hansraaj Hathi in 'Tarak Mehta Ka Ulta Chasma' dies due to Heart Attack in Mumbai. The senior actor Kavi Kumar Azad took his last breath in Wockhardt Hospital, Mira Road. Kavi Kumar was famously known by his character Dr. Hansraaj Hathi in Tarak Mehta Ka