As a key functionary of the Berlin Committee in the World War I Hindu-German Conspiracy, Acharya attempted to rally German support for Indian revolutionaries.

Narasimha Aiyangar, was an employee in the Madras Public Works Department whose family had originally migrated from the state of Mysore.

[6] From Marseilles, short of money, Acharya proceeded to Paris where he hoped to find Indian expatriates who might have been able to help him both financially and with jobs.

Iyer was actively involved with the India House, which was established in London in 1905 ostensibly to support Indian students and offer scholarships.

With financial support from the organisation, Acharya was able to enroll to learn photoengraving at the trade school of the London County Council.

Prominent London newspapers including The Times demanded that Shyamji Krishna Varma, the founder of India House, be prosecuted for preaching "disloyal sentiments" to Indian students.

[11] This careerist and self-critical attitude of his fellow Indians, compared to the polite and helpful nature of Englishmen, is believed to have disappointed Acharya deeply.

For some time, Acharya himself had been under suspicion of being a Scotland Yard mole before he was able to convince his fellow residents of his integrity and commitment to the nationalist cause.

Even those who did not dare attend the Sunday night meetings at the India House were of the opinion that he was an erudite orator and a learned scholar.

[18] Savarkar's speeches grew increasingly virulent and called for revolution, widespread violence, and murder of all Englishmen in India.

[18] The culmination of these events was the assassination of William Hutt Curzon Wyllie, the political ADC to the Secretary of State for India, by Madanlal Dhingra on the evening of 1 July 1909 at a meeting of Indian students in the Imperial Institute in London.

The investigations in the aftermath of the assassination were expanded to look for broader conspiracies originating from the India house, and Scotland Yard brought pressure on the inmates to leave England.

He attended along with Savarkar, Iyer and other ex-residents of the house a meeting of Indians called by the Aga Khan to demonstrate their loyalty to the empire and offer condolences to the Wyllie family, where they opposed the unanimous acceptance of a resolution of condemnation against Dhingra.

Indian revolutionaries in Europe at this time used to send recruits to work with Irish, Egyptian and Turkish groups for training and experience.

Acharya's attention was turned towards the Spanish-Moroccan war, where he believed the Rifian people fighting the white imperialist Spain would welcome him and allow exposure to guerrilla warfare.

A report by the Director of Criminal intelligence bureau described the effects and sentiments that these literature were promoting amongst the "ignorant peasantry", urging the ban on such publications emanating in Europe from entering India.

It also sent recruits other countries and, after training, some were sent back to India to carry on propaganda work[30] Acharya himself at this time learnt printing and engraving, and after sometime, was sent to Berlin along with V.V.S Iyer, where they were met by Champakaraman Pillai, who headed and Indian revolutionary group there.

On 17 June 1911, a young Indian revolutionary by the name of Vanchi Iyer fatally shot Robert D'escourt Ashe at Tirunelveli.

Turkey and Persia had already been a centre for revolutionary activities by groups led by Sardar Ajit Singh and Sufi Amba Prasad who had worked there since 1909.

[35] Reports as early as 1910 indicated German efforts to unite Turkey and Persia and proceed to Afghanistan to threaten British India.

It sent members including Herambalal Gupta and Chandra Kanta Chakraverty to the United States to begin arrangements for arms shipment (which culminated in the Annie Larsen fiasco).

However, Har Dayal's efforts were short-lived due to his apprehensions of Turkish Pan-Islamic ambitions and interference from the German Foreign office.

Here, Har Dayal had begun work earlier but left due to apprehensions on the issues of conflict of Hindu and Muslim interests, Turkey's pan-Islamic ambitions and interference from the German foreign office.

[41] Chatto and Acharya arranged for Troionovsky to be provided with a large amount of the committee's literature to acquaint the Soviets with the Indian situation when the latter left Stockholm for Petrograd.

[43] At Berlin at the time was also Mahendra Pratap, who had in 1915 travelled to Kabul at the head of a Turco-German-Indian expedition through Persia with the aim to try and rally the Afghan Emir into the war on the Entente side.

Although mostly unsuccessful in their aim, the Indian nationalists established in Kabul the Provisional Government of India, as the head of which Pratap attempted to garner support from Soviet Russia through Trotsky and Joffe.

In 1918 Acharya moved to Kabul to join Mahendra Pratap's mission to the Emir to declare war against British India.

[44] He remained in Berlin till the early days of Hitler's rise to power, and leaders of the Indian movement who visited Europe at various times, Including Nehru and Subhas Bose, are believed to have met with him.

His views on economic matters were profound and in 1951, Free Society Group of Chicago published his work How Long Can Capitalism Survive?

Acharya also contributed essays and critiques on capitalism, colonialism, communism as well as nationalism to the journal Harijan, commissioned by its editor K.G.