Gujarat government and the police believe that there was substantial local support for the blasts that took place in the city and planting of several bombs in Surat.
"Though the conspiracy has a pan-national angle, it could not have been possible without the local support," a government official said.
The investigating agencies are after the locals who helped in carrying out such a massive operations. They have also launched combing operations to nab them, the officials said.
Surat Police Commissioner R M S Brar also believes that the planting of so many bombs on odd locations in the city was not possible without the local support.
"The terrorist operations of such a massive scale is not possible without local support. The planting of bombs, the selection of places, transportation of explosive materials was not possible without locals," Brar told PTI.
Both Ahmedabad and Surat police have launched massive combing operations since two days in various parts of the two cities to nab the locals involved in terrorist acts.
Ahmedabad crime branch had carried out massive operations last night and detained several persons.
The Surat crime branch had also carried out massive combing operations on Wednesday morning. "In the combing operations we had questioned 280 people and made preventive arrest of 90 people," Brar said.
He further said, "We have found some leads in the case but we will not declare about it yet."