On 30th October, 2008, a total of 18 bombs went off before noon in the markets of Guwahati and 81 were reported dead and 470 injured.
Large number of explosives like RDX, C4, TNT or PETN had been used in the bombings.
Timers were also used as the blasts took place in a span of just 15 minutes. Harkat- ul- Jihad- al- Islami, United Liberation Front of Asom, National Democratic Front of Bodoland were accused in it.