MUMBAI: Residents of Haware Citi, a township in Thane’s Kasarvadavali, have approached the Bombay high court seeking relocation of a ready-mix concrete plant in their vicinity, claiming it was built in the Eco-Sensitive Zone of Sanjay Gandhi National Park without obtaining mandatory permissions. Thane residents seek relocation of RMC plant set up for twin-tunnel project The RMC plant, casting yard …