Four socket bombs have been found in Chainpur1 on May 25.

The bombs were found inside the southern part of Chainpur based Armed Police Force Basecamp, APF source said.

The Chainpur APF Basecamp informed Khandbari based APF Arun Basecamp for disposal of the bombs and a disposal squad form APF Arun Basecamp disposed the bombs today, APF source said. 

The bombs might be kept by police during the decade long armed insurgency in the country, APF source added.