Nehru and Bose: Parallel Lives

Nobody has done more harm to me than Jawaharlal Nehru,' wrote Subhas Chandra Bose in 1939. Had relations between the two great nationalist leaders soured to the extent that Bose had begun to view Nehru as his enemy? But then, why did he name one of the regiments of the Indian National Army after Jawaharlal? And what prompted Nehru to weep when he heard of Bose's untimely death in 1945 and to recount soon after, 'I used to treat him as my younger brother'?