The correct answer is: A. Salt movement in Hazaribagh
Shailbala Roy, Saraswati Devi and Sadha Devi were freedom fighters from Hazaribagh, Jharkhand, India. They participated in the Salt movement in Hazaribagh in 1930. The Salt movement was a major protest against the British salt monopoly in India. The movement was led by Mahatma Gandhi and it was a major turning point in the Indian independence movement.
The Salt movement in Hazaribagh was led by Shailbala Roy, Saraswati Devi and Sadha Devi. They organized protests and demonstrations against the British salt monopoly. They also made salt illegally and distributed it to the people. The British government arrested Shailbala Roy, Saraswati Devi and Sadha Devi for their participation in the Salt movement. However, they continued to fight for Indian independence even after their release from jail.
Shailbala Roy, Saraswati Devi and Sadha Devi were brave and courageous women who fought for Indian independence. They are an inspiration to all Indians.
Option B is incorrect because the Salt movement did not take place in Palamu.
Option C is incorrect because the Quit India Movement took place in 1942, while the Salt movement took place in 1930.
Option D is incorrect because the Non-cooperation Movement took place in 1920-22, while the Salt movement took place in 1930.