Dibrugarh: Oil India Limited (OIL) has suspended four personnel at its facility in Assam’s Dibrugarh district, including three officers and one employee, for alleged “dereliction in discharging official duties”, company spokesperson Prankush Malla Buzarbaruah said. The action comes after an explosion and fire at OIL’s Intermediate Tank Farm (ITF) in Tengakhat, Dibrugarh district, on Friday.