He Drona Parva in the Mahabharata [Mahābhārata] is the seventh of eighteen books of the famous Hindu epic Mahabharata [Mahābhārata]. Drona Parva traditionally has 8 sub-books and 204 chapters. But the critical edition of Drona Parva has 8 sub-books and 173 chapters. It describes the appointment of Drona as commander-in-chief of the Kaurava alliance, on the 11th day of the Kurukshetra War, the next four days of battles, and his death on the 15th day of the 18-day war. This Parva recites how the war became more brutal with each passing day.