The explosions went off in a span of 40 minutes.
The first two bombs exploded outside a police station in Assam's Nalbari district, police said.
The third blast, which took place in Gopal Bazar area, came five minutes after the first two blasts.
Two killed, 25 injured in Assam twin blasts
At least two people have been killed and 25 others injured in a twin blasts that exploded outside a police station in Assam's Nalbari district, police said.
According to an offcial, the bomb was kept on a parked bicycle and it exploded around 10 am.
Police suspect that militants of the United Liberation Front of Asom (ULFA) carried out the explosion.
Nalbari district is about 70 km west of Assam's main city of Guwahati.