Mumbai, June 23 -- The Pune bench of the National Green Tribunal on Wednesday issued an order prohibiting J Kumar Infraprojects Ltd from operating its ready mix concrete plant in Thane. The plant, located within the eco-sensitive zone of the Sanjay Gandhi National Park, manufactures girders for metro rail projects. The bench passed the order on a petition filed by Vanshakti, a Mumbai-based nonprofit, which alleged that the RMC plant was functioning illegally and its operations were destroying the ecology. P5...