What are the stories of this year's Bravery Award winners?

F Lalchhandama, a 17-year-old boy who lost his life while saving his friend from drowning, is a recipient of the National Bravery Award this year. Thirteen-year-old Sebastian will receive the award for rescuing his friend, who was stuck on a railway track, with a train heading towards them. Another recipient is 7-year-old Mamata, who saved her sister from a crocodile.