The incident occurred when BJP supporters jostled with each other demanding that Gujarat Chief Minister Narendra Modi address the rally first.
As the crowd swelled with party volunteers and youths even climbing atop poles of tents, five rallyists fainted.
Policemen and party volunteers posted at the rally ground rushed to help them.
During the commotion that followed, Modi and BJP President Rajnath Singh requested the public to sit down and restore normalcy.