Union Home Minister Sushilkumar Shinde said the Centre would start an inquiry into the motorcycle blast in Bangalore that left 16 people injured on Wednesday.
Speaking to reporters here, Shinde on Wednesday said: "I came to know of the Bangalore blast and will start an inquiry into the incident."
"I will also have interaction with the Karnataka government and the police department," he said.
A motorcycle blast ripped through a crowded Bangalore neighbourhood in the morning on Wednesday where the main office of the Bharatiya Janata Party (BJP) is located, injuring 16 people, including cops and civilians, police said.
The wounded in the blast, which occurred only 100 metres from the BJP office at around 10-30 am, included two girls.
Meanwhile, Intelligence officials have told NDTV that an Improvised Explosive Device (IED) was used on Wednesday morning, but were not clear on how the bomb was triggered.
While the cause of the blast weeks ahead of the Assembly polls on May 5 was not known, Karnataka Director General of Police (DGP) Lalrokhuma Pachuau said it occurred near the BJP office at Malleswaram in Bangalore and the injured were out of danger.
"The National Investigation Agency (NIA) officials have come besides forensic experts. We are examining the place of occurrence minutely. We do not what is the material of bomb blast," the DGP said.
Karnataka Home Minister R Ashok said the BJP office was the target of the blast.
He said the blast was a clear act of terror.
"I think the BJP office was the target of the blast," Ashok told media.
He said: "It is a clear act of terror. The culprits will be caught and punished."