Yagnik was born at Jhagadia Pol in Nadiad, Kheda, Gujarat. His father Kanaiyalal died at a young age while studying. Yagnik completed his primary and secondary education in Nadiad and after passing the matriculation examination in 1906, he joined the Gujarat College in Ahmedabad. After passing the intermediate examination, he took admission to the St. Xavier's College, Bombay and passed his B.A. examination from there. In 1912, he passed his L.L.B. examination.
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 1918, he participated in the Kheda Satyagraha led by Gandhi. 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. From 1924–28, he was the editor of Hindustan, a Gujarati daily from Bombay. During 1926–27, he was also an assistant editor of The Bombay Chronicle. He travelled to a number of countries in Europe from 1930–35. In 1936, he took active initiative in the formation of the All India Kisan Sabha and participated in its first session. 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 thea Gujarati daily Nutan Gujarat in 1943.
Post-independence (1947–1972)
In 1956, Yagnik led the Mahagujarat Movement for a separate Gujarat state and became the founder president of the Mahagujarat Janata Parishad. In 1957, he was elected to the 2ndLok Sabha from Ahmedabad constituency as a Mahagujarat Janata Parishad candidate. After the formation of Gujarat state on 1 May 1960, Mahagujarat Janata Parishad was dissolved. In June 1960 he founded the Nutan Maha Gujarat Janata Parishad and was re-elected to the 3rd Lok Sabha as its candidate in 1962. He died on 7 July 1972 at Ahmedabad.
Works
Books
Yagnik's most notable work in Gujarati language is his autobiographical work, Atmakatha in six volumes.
* Jivan Vikas
* Gujarat ma Navjivan
* Karavas
* Jivan Sangram
* Kisan Katha
* Chhella Vahen
Yaroḍā āśrama:1923–24 na Gandhiji na Karavas na Sansmarano, 1952 – reminiscences about Mahatma Gandhi during his imprisonment in Yeravada Jail
Pīr-i Sābarmatī , 1943
Shyamaji Krishnavarma: life and times of an Indian revolutionary, 1950
His novel Maya has the Mahagujarat Movement as the backdrop and he wanted to make a Hindi film on the subject but it never happened.
Jaher Jivan na Sathi
Publications
He started or edited several magazines including Young India, Navjivan ane Satya, and Yugadharm, and newspapers including Mumbai Samachar, Nutan Gujarat, The Bombay Chronicle, and Hindustan.
Plays
Asha-Nirasha – a play depicting the Satyagraha movement in Bardoli, Gujarat
Raṇasaṅgrāma – collection of three plays
Śobhārāmanī saradārī
Varaghodo : Jagrat Stritva nu Natak – a play on feminism
Poetry
Rashtrageet – anthology of patriotic poetry
Short notes
"A Programme of Swadeshi for Complete Swaraj", 1967
"Agrarian Disturbances in India"
Films
His company, Young India Pictures, produced more than ten films in Gujarati. Some of them are:
Pavagadh nu Patan
Kali no Aekko
Kashmir nu Ghulab
Young India
Rakhpat Rakhapat
Recognition
India Post issued a postage stamp depicting his photo with his publication Navjivan and a couple holding the flag in background on 9 December 1999.
A statue of Indulal Yagnik was erected in a small garden at east end of Nehru Bridge, Ahmedabad, and the garden was named after him.