Yagnik brought the tri colour flag from Stuttgart, Germany which was hoisted by
Madam Cama. Yagnik was deeply influenced by
Annie Besant during his college days. In 1915, along with Jamnadas Dwarkadas and Shankerlal Banker, he published an English language magazine,
Young India, from
Bombay. In the same year, publication of the
Gujarati monthly
Navjivan ane Satya started. Yagnik was its editor until 1919, when he handed it over to
Mahatma Gandhi. He wrote the first 30 chapters of Gandhi's autobiography in Yeravada jail after taking dictation from him. He joined the
Servants of India Society in the same year but resigned in 1917 and joined the
Home Rule Movement. In 1921 he became the secretary of the Gujarat Pradesh Congress Committee. In October 1922 he started another Gujarati monthly,
Yugadharm. He was imprisoned by the British from April 1923 to March 1924. In 1939, he founded the
Gujarat Kisan Parishad. He was again imprisoned during 1940–41 for his anti-war campaign. In 1942, he presided over the annual session of the Akhil Hind Kisan Sabha. He started the Gujarati daily
Nutan Gujarat in 1943. ==Post-independence (1947–1972)==