"The Trikuta Nagar police detained three persons from Gadi Garh in Jammu on Monday for questioning," a police spokesman said today.
During interrogation, the trio -- Vinod Kumar, Suresh Saha and Ranjay Kumar -- admitted their involvement in the crime, he said, adding the accused were habitual criminal.
The body of Masherwar, a resident of Ram Nagar in Bihar's West Champaran district, was found in the gutter at the Jammu railway station in June 2010, he added.