In a televised address to the nation, Prime Minister Manmohan Singh said that those behind the terror attack in Mumbai were from outside India
He promised that: "We will take the strongest possible action. We'll take a number of measures to strengthen our security forces."
He also said the National Security Act will be enforced so that terrorists cannot escape the clutches of law. A Federal Investigation Authority will be set up to fight terror in a co-ordinated manner, he added.
He said India will take up with neighbouring country the use of their territory to launch attacks against the country.
