The National Investigation Agency (NIA) has arrived in Modasa town of Sabarkantha district of the state to investigate into the blast case of 2008, police said on Friday.
"The NIA team came to Modasa yesterday and started investigating into the Modasa blast case of 2008," Sabarkantha Superintendent of Police R B Bhrambhatt said.
"They are doing preliminary investigation into the case," he said, adding that the NIA team has not contacted them yet.
After the NIA found links between Modasa blast and some of the cases it was investigating, the union government had ordered that case be handed over to the national agency.
In late evening of September 29, 2008, a low intensity blast in the Suka Bazar area of Modasa town of Sabarkantha district had killed a 15-year-old boy and injured 10 people.
During investigation it was found that gun powder was used to trigger low-intensity blast in minority dominated area of Modasa town a few days before the Ramzan Eid in 2008.
According to police, the explosives attached with timer device were mounted on a motorcycle in the densely populated Suka Bazar area, and was triggered using the battery of the two-wheeler. No arrests have been made in connection with this case so far.