oxugen production unit

Thoothukudi, Tuticorin, Sterlite copper, copper smelting, chimney stack, greenbelt, environmental impact assessment, air quality index, sulphur dioxide, SIPCOT industrial estate, SIPCOT, Tamil Nadu Pollution Control Board, National Air Monitoring Program,

Was COVID Oxygen Demand an Excuse for Vedanta To Reopen Sterlite Plant?