Tender For estimate for maintenance of 11 kv line to be done through the contractor under sejbahar d/c & estimate for chemical earthing at mana d/c office to avoid any damage to electronicequipments at office under mana d/c & estimate for repl of deteriorated dt box at vill boriyakala under mana d/c under mana sub dn. of ee (o&m) dn. atal nagar nava raipur