EntityQ5275564· pop 6· linked from 49 articlesDigboi RefinerySign in to saveAsia's oldest oil refineryConnectionsgeographic coordinate systemEntityIndian Oil CorporationCompanyIndiaCountryAssamEntitytonneEntitydiesel fuelEntitycokeEntityTinsukia districtEntityDigboiEntityOutlookEntityThe Financial ExpressEntitymicrocrystallineEntityGuwahati RefineryEntityCategories1901 establishments in IndiaCompanies based in AssamEnergy in AssamIndian Oil Corporation buildings and structuresOil refineries in IndiaTinsukia