(i) The Rowlatt act was effective from 10th March, 1919. In Punjab the protest movement was vast and strong. (ii) On 10th April, two renowned leaders of the Congress, Dr. Satya Pal and Dr. Saifuddin Kithlew were arrested and were taken to unknown place. (iii) A public meeting was held on 13th April at Jallianwala Bagh in a small park enclosed by buildings on all sides to protest against the arrest. (iv) General Dyer with his British troops entered the park, closed the entrance of the park and commanded his army to fire on the gathered people without any warning. (v) The firing lasted for ten minutes and sixteen hundred rounds, killing about thousand people and more than two thousand people were left wounded and unattended.