new delhi indian authorities thursday order inquiry determine within seven days cause blast coal-fired power plant kill 26 people injure 100 one country bad industrial accidents years 20 survivors battle life severe burn injuries follow wednesday blast 1,550-megawatt plant operate state-owned ntpc northern uttar pradesh state state officials say arvind kumar principal secretary say severely injure take hospital state capital lucknow blockages flue gas pipe unit lead blast hot flue gas steam let blast severely injure several workers sanjay kumar khatri top government official rae bareli district plant locate tell reuters thursday magisterial inquiry initiate two-member technical team submit find within seven days khatri say ntpc country top power producer accidents rare facilities senior state police official anand kumar say statement post online wednesday ash pile furnace beneath boiler lead build pressure result explosion state government offer cash compensation 200,000 rupees 3,097 families decease 50,000 rupees severely injure half sustain minor injuries khatri say plant town unchahar supply electricity nine state ntpc website show company say facilities would make shortfall outages unlikely 500 mw unit mishap occur operate since april shut accident five units station operate normally ntpc say statement unfortunate ntpc initiate inquiry incident company take risk many units power supply one give sudden accident ntpc official wish quote say inquiry order deadly indian power plant blast