"The train is safe. All passengers are safe... good news is the train is safe," he told reporters here. "CRPF and state police have reached the spot and the area has  been secured. There is no  sign of any other adversary there," Chidambaram said.

He also refuted reports that there was an exchange of fire between security forces and suspected Maoists. "There was firing and a civilian driver was injured but there was no injury to CRPF personnel and there was no exchange of fire," Chidambaram said.

He said the Centre has rushed a relief train to Orissa with doctors and relief supplies. The Home Minister said the train will bring back the passengers on the Rajdhani Express. Chidambaram said Railway Minister Mamta Banerjee was monitoring the situation from her office.