Question

when, why and how did non cooperation movement start?

Answer 1

It was started on 1920–22, organized by Mohandas (Mahatma) Gandhi, to induce the British government of India to grant self-government, or swaraj, to India..

Answer 2

Noncooperation movement, unsuccessful attempt in 1920–22, organized by Mohandas (Mahatma) Gandhi, to induce the British government of India to grant self-government, or swaraj, to India.