The injured are W Ibomcha Singh, 53, resident of Khurai Soibam Leikai, Md Ahamda, 43, resident of Khurai Ahongei and Md Shahid, 35, resident of Yairipok. They were taken to nearby JNIMS hospital for medical treatment.
According to information, the Improvised Explosive Device (IED) exploded near a car which was under repair.
Sources believed the bomb was triggered by suspected militants to target security personnel.
A team of Imphal East police led by its Superintendent of Police Kabib accompanied by a team of Forensic Science and personnel of 6 Assam Rifles led by its Commandant Indrajit Singh rushed to the site to take stock of the situation.
No group has claimed responsibility for the blast so far.