Was anti-India slogans really raised in AMU?

Three Kashmiri students of the Aligarh Muslim University have been booked for sedition for allegedly raising "anti-India" slogans and trying to hold a prayer meeting for Hizbul Mujahideen commander Manan Bashir Wani, who was killed in an encounter in north Kashmir, officials said Friday.
Senior Superintendent of Police, Aligarh, Ajai Sahni said police took the action after a video surfaced showing the three Kashmiri students raising "anti-India" slogans.