No more blackouts --- that was the message from India's new power minister a day after an electricity grid failure left more than 670 million people in the dark.<br/> <br />SOUNDBITE: M. Veerappa Moily, India's new power minister saying:<br/> <br />"One hundred percent restoration has taken place. And I can reassure the entire nation that what has happened in the last two-three days, will not recur back in the country."<br/> <br />It isn't clear what caused the three of the country's five power grids to fail. Some blamed states for taking more than their allotment of electricity while others pointed to monsoon rains.<br/> <br />The, power failure, one of the world's worst, affected more than half of India's population.<br/> <br />Deborah Gembara, Reuters