Gurugram, Feb. 18 -- The Haryana Vidyut Prasaran Nigam Limited (HVPN) is considering relocating a control and relay panel from its defunct 220kV substation in Sector 77 to Sector 107, where a fire on February 9 destroyed a key control panel, officials said on Monday. The blaze caused a 61-hour blackout, affecting over 10,000 families in 22 residential societies along the Dwarka Expressway....