ON 13 APRIL THE INFAMOUS JALLIAN WALLA BAGH INCIDENT TOOK PLACE . ON THAT DAY A LARGE CROWD GATHERED IN THE ENCLOSED GROUND OF JALLIAN WALLA BAGH . SOME CAME TO ATTEND THE ANNUAL BAISAKHI FAIR AND OTHERS CAME TO PROTEST AGAINST THE GOVERNMENT'S NEW REPRESSIVE LAWS . GENERAL DYER ENTERED THE GROUND , BLOCKED THE EXITS AND OPEN FIRED UPON THE PEOPLE , KILLING HUNDREDS .