Twelve days after the blast in Assam that killed 83 people and wounded 300 more, police on Tuesday said evidence suggests the involvement of the National Democratic Front of Bodoland (NDFB) in triggering the explosions. Report says all evidence in the assam blast were collected and is going to submit the Reports. It was found that all cars used in the explosion were registered in the names of the NDFA member also the motorcycle. ” The NDFB masterminded the bombings with the ULFA giving a helping hand to the terror strike with support from the HuJI. But it was the NDFB that is primarily responsible “, a police official said.