Why was Martial Law imposed in Amritsar?

Rowlatt Act was passed in 1919. Mahatma Gandhi and other leaders were against it. Hence, they decided to launch Satyagraha.

1. Rallies were organised, and processions were held.

2. Shops were picketed.

3. Workers went on strike.

4. When post offices and banks were attacked, policemen in Amritsar fired upon the peaceful protestors.

5. Martial law was imposed under General Dyer.

The purpose of the Martial law was to put an end to the activities of the Indian leaders and to avoid public gatherings.