Question

how did gandhiji start the non cooperative movement​

Answer 1

So here, your question might be Why Mahatma Gandhi launched Non cooperation movement ?

Gandhiji Launched the Non cooperation

movement of 1921 Because —

1) According to Gandhiji, the British rule was established in India with the Cooperation of Indians and Had survived only because of this Cooperation. So the time has arrived to withdraw cooperation to the British.

2) To restore the status of the ruler of turkey .

3) to Bring Swaraj or Self Rule to India.