new delhi indian prime minister narendra modi final phase campaign thursday retain power home state stave serious challenge yet combine opposition election new legislature western state gujarat weekend turn great challenge modi anticipate poll show rival party seize discontent cause slow economy gujarat modi earn spur business-friendly chief minister cut red tape graft turn economic powerhouse unpopular national tax shock move last year withdraw currency fight graft hurt gujarat like rest country businessmen make loud complaints three big poll carry run-up vote saturday next week predict victory modi rule bharatiya janata party bjp greatly reduce majority abp-cds poll week give bjp 91-99 seat 182-member state house main opposition congress 78-86 suggest close fight win party need 92 seat survey often go wrong though modi remain far popular across country rival include rahul gandhi lead congress charge weaken modi home base modi throw campaign address dozens rally past month say alone could deliver development thursday due address party colleagues mobile phone ensure strong voter turnout amit shah president bjp say party full confidence modi ability deliver emphatic victory know absolute majority gujarat poll legitimize reform silence critics shah say vote election count dec.18 result announce day gujarati businesses form core modi support base complain new goods service tax aggravate tough economic condition jagdip desai sanitary ware manufacturer say complex tax procedures come top slow demand fire 3,000 workers modi pay political price financial distress india 's modi fight protect home base election