Prime Minister Manmohan Singh Thursday strongly condemned the blasts on a train in Chennai and said such acts "highlight the desperation and cowardice of those responsible".Manmohan Singh said in a statement: "Such barbaric acts targeting innocent men, women and children only highlight the desperation and cowardice of those responsible". A woman was killed and 14 injured when two blasts ripped through two coaches of the Bangalore-Guwahati train at the Chennai station.Offering his condolences to the family of the deceased and heartfelt sympathies to those injured, Singh said he was "confident that the people of India will stand united against these attempts to disturb peace and harmony and urged the people to maintain peace"."No efforts should be spared to bring the perpetrators to justice," he said.The prime minister said the center will provide the state government all assistance.