GMR Group is planning to raise $100 million in private equity for its power business, apart from $515 million it collected this month, reports say, quoting a top official. Bengaluru-based GMR is discussing with firms for the additional funding and hopes to clinch the deal by next month-end, Group Chief Financial Officer Subbarao Amarthaluru said. It is expanding its Indian power capacity to 5,500 MW from 823 MW at an estimated cost of Rs.30,000 crore ($6.7 billion), and is building road projects worth Rs.5,000 crore, he said. Unlisted GMR Energy, the power arm of the group, had raised $200 million in private equity from Singapore's Temasek Holdings in early April. […]