empanelment for supply of isi marked ferric alum grade 4 at divisional stores of assam empanelment of manufacturers or their authorized dealers distributors for parallel rate contract for supply of isi marked ferric alum grade 4 at different phe divisional stores of assam , supply of isi marked ferric alum ( alumino ferric ) grade-4 to be supplied to guwahati-i , guwahati-ii , store & work shop , rangia , belsor , nalbari , barpeta , bangaigaon , dhubri , goalpara divisions under lower assam zone , supply of isi marked ferric alum ( alumino ferric ) grade-4 for nagaon , morigaon , hojai , kaliabor , dhing , bokakhat , golaghat jorhat , sibsagar , nazira , dibrugarh & tinsukia divisions under upper assam zone , supply of isi marked ferric alum ( alumino ferric ) grade-4 for mangaldoi , tezpur-i , tezpur-ii , biswanath chariali , north lakhimpur , dhemaji & ghilamara divisions under north assam zone , supply of isi marked ferric alum ( alumino ferric ) grade-4 for silchar-i , silchar-ii , hailakandi & karimganj divisions under barak valley zone