The students of Sylhet MAG Osmani Medical College have boycotted classes protesting the attack on the students by local businessmen.The students started their agitation after locking down the main gate of the Medical Institute on Tuesday.They also urged the law enforcing to take strongly action against the culprits without further delays.The students announced to boycott all classes from a procession brought out on Monday afternoon against the incident.It is mentionable that, Chase and counter-chase were happened between Osmani Medical College students and local businessmen over mobile phone recharge, leaving 10 people injured.