[1] At age 10, in 1935, he heard Thakkar Bapa's public address, speaking of Mahatma Gandhi's Quest for "FREE INDIA".

[1] He was immediately taken to Red Fort, put in Isolation cell, Interrogated and Tortured for his active participation and close association with Gandhi and Subhas Chandra Bose.

He Wrote, Translated, Printed and Distributed Pamphlets under headings "Do or Die” ‘करो या मरो’ ‘खुला विद्रोह’ 'Sangathan' and Gandhi's speech of August 8 and Transported Pistols and Explosives from Bombay to get bombs prepared.

He succeeded in bringing the dynamite from jabalpur which was reported leading to a manhunt with reward by British forcing his surrender, torture and release.

[1] His torture included two forms of electric shock (one nozzle onto his little finger and another involving a cylindrical piece being rolled over body causing burning sensation) and being forced to lie on ice slabs until he couldn't breathe.

Hari Vishnu Kamath of All India Forward Bloc was the first to speak on Extreme Torture of Prabhudayal Vidyarthi said, "However Nothing could be got out of this boy This Soldier of Freedom”, in his public address at Chitins Park, Nagpur, on 17 September 1945, published in The Hitavada on 18 September 1945, before his release on 22 October 1945.

Gandhiji had taken up cases of Prabhudayal Vidyarthi, Sheel Bhadra Yajee of the All India Forward Bloc, active member of INA and Ram Manohar Lohia with British Authorities.

Prabhudayal Vidyarthi and Sheel Bhadra Yajee cases are also discussed in detail in book "South Asian Governmentalities", page 125 onwards, edited by Stephen Legg, Deana Heath South Asian Governmentalities [15] and Colonial and Nationalist Truth Regimes by Stephen Legg which must be read with Gandhi's letter exposing torture of Indian Freedom Fighters under British Rule.

He tried to convince local zamindars (landlords) in his endeavour to help farmers get their land back resulting in attempts on his life.

As a Member of Assembly he changed the Local Agrarian Eco-system and Economy by setting up a wide canal system for irrigation and enabling other progressive measures.

[29][30] 'Purvanchal ke Gandhi Prabhudayal Vidayarthi' book by Avinash Kumar Azad was launched in Kapilvastu Festival, Siddharth Nagar.

[31] Vidyarthi is remembered with Veterans of INA[32] and as "Purvanchal ke Gandhi" by people in Eastern Uttar Pradesh.