India, Sept. 3 -- Residents along the Dwarka Expressway in Gurugram were forced to spend the night inside cars with air conditioners running after a massive blackout hit more than 43 societies and townships on Monday evening when the 220kV substation of Haryana Vidyut Prasaran Nigam Limited (HVPNL) in Sector 107 developed a fault following heavy rainfall, discom officials said on Wednesday.

According to officials of Dakshin Haryana Bijli Vitran Nigam Limited (DHBVN), at least 56,000 to 60,000 families across three subdivisions were left without electricity for 8 to 20 hours. At least 13 switching stations of 33kVA that supply power to these societies had shut down. Residents alleged that power supply was restored in some cases only after...