20th Century

In the 20th century, a nationwide struggle for independence was launched by the Indian National Congress (INC) and other political organisations. Several Indian radical revolutionaries, such as Subhash Chandra Bose and Bhagat Singh, led armed rebellions against the British Raj.However, the defining aspect of the Indian independence movement was the nonviolent resistance led by Mahatma Gandhi and the INC. Under the leadership of Gandhi, millions of Indians participated in the Quit India civil disobedience movement against the British Raj.

In September 1939, India declared war on Germany and at the height of the World War II, more than 2.5 million Indian soldiers were fighting against the Axis powers.The Indian Army was one of the largest Allied forces contingents which took part in the North and East African, Western Desert and the Italian Campaign and played a crucial role in halting the progress of Imperial Japan in the South-East Asian theatre. However, certain Indian nationalists collaborated with the Axis powers to overthrow the British Raj. The Indian National Army (INA), led by Bose, forged an alliance with the Axis powers and fought an unsuccessful military campaign against British India.

In 1943, a perceived shortage of food leading to large-scale hoarding and soaring food prices coupled with poor food distribution mechanism and inadequate response of the British officials resulted in a catastrophic famine in the Bengal region which killed about 1.5 to 3 million people. After World War II, a number of mutinies broke out in the Air Force and Navy and the INA trials caused considerable public unrest.