Singh, who has spoken to Karnataka Chief Minister Jagdish Shettar, Maharashtra Chief Minister Prithviraj Chavan and Assam Chief Minister Tarun Gogoi, underlined the need for remaining vigilant and maintaining communal harmony.
"All political parties must work together to give a feeling of confidence to all affected people," he told reporters at an Iftaar party hosted by him at his residence.
He was asked about the exodus of people hailing from Northeast from Karanataka after panic gripped them because of rumours that they could be targeted.
Singh said he had spoken to the Karnataka Chief Minister and the state government was doing its best to quash those rumours.
On his message to Shettar during the phone call yesterday, Singh said "we must work together to ensure that people from other states do not feel threatened by rumour- mongering and SMSes. We have to maintain peace at any cost."
Singh said the Karnataka Chief Minister was good enough to send his Home Minister to Bangalore railway station where people from northeast had gathered to board trains to Guwahati.
"They (Karnataka government) are taking all the steps to quash rumour-mongering," the Prime Minister. (MORE)