These labourers had been brought from different parts of Imphal west, Imphal east, Thoubal and Bishenpur districts and were staying here under police protection, they said.
Migrant labourers in other areas had been asked to work in those areas where security personnel were deployed, police said.
Nine persons were killed and 12 others got injured when suspected militants exploded a bomb in a migrant labour camp in Nagamapal area in Imphal West district on September 13.