From being elected as Congress president in 1929 till his death in 1964, Jawaharlal Nehru remained a towering figure in Indian politics, a man who left an indelible stamp on the history of South Asia. As a leading light of the nationalist struggle and as India's first and longest-serving prime minister, his ideas shaped the political contours of the country and left an imprint so deep that his legacy continues to be debated furiously today.