Solution:Jamnalal Bajaj was an industrialist, a philanthropist, as well as a freedom fighter. He was also a close associate and follower of Mahatma Gandhi. Gandhiji used to call Jamnalal his 'fifth son.'A loyal member of the Indian National Congress, Bajaj has worked extensively on social initiatives such as abolishing untouchability, the prohibition of Harijan into Hindu temple and promotion of Khadi.
He participated in the Non-Cooperation Movement and renounced his title of 'Rai Bahadur' conferred by the British Government in 1921. In the same year, he succeeded in bringing Vinoba Bhave to Wardha to start a branch of Satyagraha Ashram.
In 1923, in memory of Jallianwala Bagh Massacre, it was decided to organize incomplete Flag Satyagraha in Nagpur and the Government banned it. Later, Jamnalal Bajaj took leadership and organized the Flag Satyagraha and was sentenced to jail for 18 months and Rs. 3,000/- as fine.
His leadership qualities and sacrifices as commander of Flag Satyagraha made him a real hero and a National leader.