A police source said the powerful improvised explosive device was detonated by suspected militants at around 9.30 am on Friday in the platform of the railway station.
Fortunately, no one was injured in the blast as there were few people around in the railway platform at that time. Police is not sure which militant group is responsible for the blast.
The banned United Liberation Front of Asom last week withdrew its call for boycott of the National Games in response to appeal from leading
sports persons and sports buff in the state.
The National Games are being held under massive security blanket that has been thrown in and around the city. The morning blast has sent the police into a tizzy even as senior police and army officials have closeted themselves to review the security arrangement for the Games.
Indian Olympic Association chairman Suresh Kalmadi on Thursday stated that this would be the biggest National Games so far held in the country.
Sonia Gandhi will also address a massive rally of women NGOs in the city.
National Games organisers are contemplating cancelling all the car passes provided for entering into the main Indira Gandhi Stadium at Borsojai in the outskirts of the city.
