A 19-year-old college student died after a lorry hit the two-wheeler on which he was riding pillion on EM Bypass, near the Maniktala Main Road crossing, around 3.20pm on Thursday, police said.
Uttaran Bakshi, a resident of Belgachhia, was riding pillion on the bike of friend Soumik Roy, 21. They were returning home from college near Topsia. Both were wearing helmets, the police said.
The two fell on the road and Uttaran came under the wheels of the lorry.
The offending vehicle, belonging to the Calcutta Municipal Corporation, has been seized and the driver arrested.
Uttaran was declared dead at Maniktala ESI Hospital. Soumik was treated and discharged.