Those behind Guwahati bombings will be punished:
Guwahati, Jan 2 Prime Minister Manmohan Singh said Friday evening that those behind the serial bombings in the city that left six people dead would be punished.
New Delhi Asserting that perpetrators of the Mumbai terror carnage should be punished, Prime Minister Manmohan Singh said India will await the outcome of the international community's efforts in this regard before deciding on its options.