According to police three persons, including a woman, were killed on the spot when the tempo they were travelling in collided head-on with a speeding truck on NH 37 near Boko police station.
In another accident, three persons, including a woman, died on the spot and 25 others were injured when a bus hit a dumper on the NH 31 near Changsari police station this afternoon.
Police said the injured have been shifted to Gauhati Medical College and Hospital.