Lal Bahadur Shastri coined the slogan 'Jai Jawan, Jai Kisan' (Hail the Soldier, Hail the Farmer) in 1965 during the India-Pakistan war, emphasizing the importance of both military defense and agricultural productivity. Madan Mohan Malaviya, Nehru, and Tilak were prominent leaders but not associated with this specific slogan.