The Biggest Stories of November 17, 2015

A 37-year-old Army Colonel is killed in an encounter with terrorists in Jammu and Kashmir's Kupwara district; NDTV accompanies an Air Force sortie in rain-ravaged Chennai where 12,000 people have been rescued but there is still no drinking water or food in many areas; a 4-year-old girl in Hyderabad dies after her heads get stuck in school elevator, the principal and teacher have been arrested; and more in our news wrap of the day.