A young man named Chandan Kumar Tiwari threw a slipper at Bihar Chief Minister Nitish Kumar during a programme in Patna on Thursday.The slipper missed the CM and the programme continued. Chandan Kumar Tiwari from Aurangabad district of Bihar also shouted slogans against Mr. Kumar. He was protesting against amendment in reservation. The youth was thrashed by JD(U) workers before being taken into custody by Patna police. The incident happened at a programme organised by the student wing of the JD(U).