In terms of plot, Season 4 matches Season 1. It is grim, fast-paced and engaging, recommends Deepa Gahlot.
Decorated with a Vir Chakra for leading an attack that destroyed four tanks, Risaldar Ayub Khan shared a name with the Pakistani president who ordered the invasion of India in 1965. India's Ayub came from a family of soldiers and made his country proud.