Gold Fields is having to sneak maintenance teams into its South Deep mine in South Africa after protesters shot at vehicles trying to enter the site, where workers have been on strike since Nov. 2.
The Tamil Nadu state disconnected the smelter's power supply in May following anti-pollution protests that turned violent and culminated in the police opening fire, killing 13 protesters.
Following the news, NMDC shares fell as much as 7.4 percent to 99.20 rupees, their lowest since July 25, marking their biggest single-day fall since Aug. 9.