India will always remain grateful to Subhas Chandra Bose for his bravery and indelible contribution to resisting colonialism, PM Modi said. "On 23rd January 1897, Janakinath Bose wrote in his diary, 'A son was born at midday.' This son became a valorous freedom fighter and thinker who devoted his life towards one great cause India's freedom," Modi said referring to Bose, popularly called Netaji.