The year is 1971 when the Pakistani Army is at war with the Indian Soldiers. The Indian battalion is posted in Longewala region in Punjab and are just 150 in number while the Pakistani Army consists of 2000 armed soldiers with tanks.
It was listed as a Bullet Sixty-5 Army originally, admin changed it to unknown I believe. Above is a picture of a Royal Enfield Bullet 65 Army Edition, made in Madras. Since WW2, Royal Enfield has supplied over 100,000 of these motorcycles to the Indian army .