Security agencies have foiled a spate of terror-linked plots across the country in the past month Indian authorities are focusing on a terrorist motive as potentially being behind the blast that claimed the lives of at least 12 people in Delhi on Monday, sources have told RT.The rush-hour explosion occurred in a car near a metro station in the vicinity of the Red Fort, a 17th-century monument popular with tourists.Home Minister Amit Shah said investigators were looking at “all angles.”Local media have reported that police have filed a case under the Unlawful Activities (Prevention) Act, a law usually invoked to probe cases linked to terror attacks.Recently, reports have emerged about a series of arrests and seizures linked to terror plots that have been foiled by Indian security agencies.On Monday, two people were arrested and 2,900kg of material used to make Improvised Explosive Devices (IED) and bomb-making components were seized in Faridabad, which is part of the Delhi-National Capital Region (NCR). The Gujarat Anti-Terrorism Squad (ATS) stated on Sunday that it had arrested three terrorists allegedly linked with Islamic State from Ahmedabad, IANS reported. The ATS of the western state of Rajasthan said on November 7 it had arrested a cleric with alleged links to Tehrik-e-Taliban Pakistan, a terror outfit.In April, a terror attack in Jammu and Kashmir that killed 26 people escalated to clashes between India and Pakistan. New Delhi said at the time that any future terror attack in India would be considered an act of war.Prime Minister Narendra Modi, who is in Bhutan for an official visit, said on Tuesday that he was in touch with agencies investigating the blast in Delhi. “Our agencies will get to the bottom of this conspiracy,” he said. “Those responsible will not be spared. All those responsible will be brought to justice.”