Gurugram, Oct. 29 -- The Union power ministry has asked Haryana to expedite the stock-market listing of four state-owned power companies to attract investment and reduce dependence on budgetary support, officials said Wednesday. An October 19 letter identified Dakshin Haryana Bijli Vitran Nigam and Uttar Haryana Bijli Vitran Nigam, Haryana Power Generation Corporation and Haryana Vidyut Prasaran Nigam for the listing. The proposal comes after last week's strike against privatisation efforts.htc...