Durgavati Devi (Durga Bhabhi) (7 October 1907 – 15 October 1999) was an Indian revolutionary and a freedom fighter.
 She was one of the few women revolutionaries who actively participated in armed revolution against the ruling British Raj.
 She is best known for having accompanied Bhagat Singh on the train journey in which he made his escape in disguise after the Saunders killing, Since she was the wife of Hindustan Socialist Republican Association (HSRA) member Bhagwati Charan Vohra, other members of HSRA referred to her as "Bhabhi" (elder brother's wife) and became popular as "Durga Bhabhi" in Indian revolutionary circles.
 Durgavati Devi was a Bengali woman and her mother tongue was Bengali.
Sir William Hutt Curzon Wyllie, KCIE, CVO (5 October 1848 – 1 July 1909) was an Indian army officer, and later an official of the British Indian Government.
 Over a career spanning three decades, Curzon Wyllie rose to be Lieutenant Colonel in the British Indian Army and occupied a number of administrative and diplomatic posts.
 He was the British resident to Nepal and the Princely state of Rajputana, and later, the political "aide-de-camp" to the Secretary of State for India, Lord George Hamilton.
 Curzon Wyllie was assassinated on 1 July 1909 in London by the Indian revolutionary Madan Lal Dhingra.
Harijan (Hindustani: हरिजन , ہریجن ; translation: "person of Hari/Vishnu") is a term popularized by Indian revolutionary leader Mahatma Gandhi for referring to Dalits, traditionally considered to be Untouchable.
 However the euphemism is now regarded as condescending by many, with some Dalit activists calling it insulting.
 As a result, the Government of India and several state governments forbid or discourage its use for official purposes.
The Hindu–German Conspiracy was a series of plans between 1914 and 1917 by Indian nationalist groups to attempt Pan-Indian rebellion against the British Raj during World War I, formulated between the Indian revolutionary underground and exiled or self-exiled nationalists who formed, in the United States, the Ghadar Party, and in Germany, the Indian independence committee, in the decade preceding the Great War.
 The conspiracy was drawn up at the beginning of the war, with extensive support from the German Foreign Office, the German consulate in San Francisco, as well as some support from Ottoman Turkey and the Irish republican movement.
 The most prominent plan attempted to foment unrest and trigger a Pan-Indian mutiny in the British Indian Army from Punjab to Singapore.
 This plot was planned to be executed in February 1915 with the aim of overthrowing British rule over the Indian subcontinent.
 The February mutiny was ultimately thwarted when British intelligence infiltrated the Ghadarite movement and arrested key figures.
 Mutinies in smaller units and garrisons within India were also crushed.
Manmath Nath Gupta (7 February 1908 – 26 October 2000) was an Indian revolutionary writer and author of autobiographical, historical and fictional books in Hindi, English and Bengali.
 He joined the Indian independence movement at the age of 13, and was an active member of the Hindustan Republican Association.
 He participated in the famous Kakori train robbery in 1925 and was imprisoned for 14 years.
 On release from jail in 1937, he started writing against the British government.
 He was sentenced again in 1939 and was released in 1946 just a year before the India's independence in 1947.
 He has written several books on the history of the Indian struggle for independence from a revolutionary's point of view, including "They Lived Dangerously – Reminiscences of a Revolutionary".
 He was also the editor of the Hindi literary magazine "Aajkal".
Madan Lal Dhingra (Punjabi: ਮਦਨ ਲਾਲ ਢੀਂਗਰਾ) (8 February 1883 – 17 August 1909) was an Indian revolutionary independence activist.
 While studying in England, he assassinated Sir William Hutt Curzon Wyllie, a British official, cited as one of the first acts of revolution in the Indian independence movement in the 20th century.
Shyam Sundar Chakravarthy (12 July 1869 – 7 September 1932), alternately spelled as Shyam Sundar Chakravarty or Shyam Sundar Chakravarthi (Bengali: শ্যাম সুন্দর চক্রবর্তী ), was an Indian revolutionary, independence activist and journalist from Bengal.
 He was born in Bharenga, Pabna in Bengal Presidency (currently in Bangladesh).
 He belonged to the "Pabna Group" of Bengali revolutionaries along with Abinash Chakravarty and Annada Kaviraj.
 In 1905 he was the sub-editor of the revolutionary journal "Sandhya".
 In 1906, He joined with Bengali nationalist newspaper "Bande Mataram" as an assistant to its editor Sri Aurobindo and later became its editor.
 In 1908, he was deported to Burma.
 Later he became an adherent of the non violent methods of Indian National Congress and an office bearer of the Swaraj Party.
 He founded and edited the newspaper ""The Servant"" in 1920 to promote the Non-cooperation movement.
Sir Michael Francis O'Dwyer (28 April 1864 – 13 March 1940) was Lieutenant Governor of the Punjab in India from 1912 until 1919.
 O'Dwyer endorsed General Reginald Dyer's action regarding the Amritsar massacre and termed it a "correct action".
 In 1940, aged 75, he was assassinated by Udham Singh.
Shyamji Krishna Varma (4 October, 1857 – 30 March, 1930) was an Indian revolutionary fighter, lawyer and journalist who founded the Indian Home Rule Society, India House and "The Indian Sociologist" in London.
 A graduate of Balliol College, Krishna Varma was a noted scholar in Sanskrit and other Indian languages.
 He pursued a brief legal career in India and served as the "Divan" of a number of Indian princely states in India.
 He had, however, differences with Crown authority, was dismissed following a supposed conspiracy of local British officials at Junagadh and chose to return to England.
 An admirer of Dayanand Saraswati's approach of cultural nationalism, and of Herbert Spencer, Krishna Varma believed in Spencer's dictum: "Resistance to aggression is not simply justified, but imperative".
Udham Singh (26 December 1899 – 31 July 1940) was an Indian revolutionary best known for assassinating Michael O'Dwyer, the former Lieutenant Governor of the Punjab in British India, on 13 March 1940.
 The assassination has been described as an avenging of the Jallianwala Bagh massacre in Amritsar in 1919.
 Udham Singh is a well-known figure of the Indian independence movement.
 He is sometimes referred to as Shaheed-i-Azam Sardar Udham Singh (the expression "Shaheed-i-Azam," Urdu: شهید اعظم‎ , means "the great martyr").
 A district (Udham Singh Nagar) of Uttarakhand was named after him in October 1995 by Mayawati government.

Question: What general was endorsed by the person who was assassinated by an Indian revolutionary?
Answer: General Reginald Dyer