i) In 1932 Gandhi and Ambedkar negotiated an agreement known as the Poona Pact.
ii) The principle of separate electorates was abandoned. Instead the principle of joint electorate was accepted with reservation of seats for the depressed classes.
iii) Reserved seats for the depressed classes were increased from 71 to 148. In the central Legislature 18 percent of the seats were reserved.

i) The youths who were disillusioned with the sudden withdrawal of the non-cooperation Movement by Gandhi took to violence.
ii) In 1924 Hindustan Republican Army (HRA) was formed in Kanpur to overthrow the colonial rule by an armed rebellion.
iii) Bhagat Singh, Sukhdev and his comrades reorganized the HRA in Punjab and they renamed it as Hindustan Socialist Republican Association in 1928.
iv) Sanders, the British Police officer, responsible for the death of Lala Lajpat Rai was assassinated.
v) Bhagat Singh along with B. K. Dutt threw a smoke bomb inside the Central Legislative Assembly in 1929.
vi) They shouted "Inquilab Zindabad" and "Long Live the Proletariat".
vii) Bhagat Singh was arrested and sentenced to death.
viii) His daring and courage fired the imagination of the youth across India.

i) Some congressmen were not satisfied with dominion status and wanted to demand complete independence.
ii) In the congress session held in Lahore in December 1929 with Jawaharlal Nehru as the President Poorna Swaraj was declared as the goal. Poorna Swaraj means complete independence.

i) The Simon Commission was an all white commission with no Indian member.
ii) Indians were angered and humiliated that they had been denied the right to decide their own constitution.
iii) All sections of India including the Congress and the Muslim League decided to boycott the commission.

i) On February 5, 1922, a procession of the nationalists in Chauri Chaura, a village in Uttar Pradesh, provoked by the police turned violent.
ii) The police found themselves outnumbered. So they shut themselves inside the police station.
iii) The mob burnt the police station, 22 host their lives.
iv) This is known as Chauri Chaura incident.
v) Gandhi immediately withdrew the Non cooperation movement 

i) The caliph of Turkey, who was considered the head of Muslims of the world, was given a harsh treatment.
ii) A movement was started in his support and it was called the Khilafat movement led by the Ali brothers Maulana Muhammad Ali and Maulana Shaukat Ali.
iii) Gandhi supported the movement and saw in it an opportunity to unite Hindus and Muslims.

i) On 13 April 1919 a public meeting was arranged at Jallianwala Bagh in Amritsar.
ii) The villagers had assembled there in thousands.
iii) General Reginald Dyer surrounded the place with his troops and an armoured vehicle.
iv) The only entrance to the park that was surrounded on all sides by high walls was blocked, and firing took place without any warning.
v) The firing lasted for ten minutes till the troops ran out of ammunition.
vi) According to official estimates 379 were killed and more than thousand injured.
vii) This incident is called the Jallianwala Bagh massacre.