(a) whether it is a fact that sulphur content and other pollutants in Petroleum Coke are very high in comparison to conventional fuels like coal and fuel oil, and causes exponential damage to the environment in comparison to conventional fuels;
(b) if so, the reasons for replacing conventional fuels like coal and oil with petroleum coke;
(c) its impact on environment and measures taken to stop incremental pollution;
(d) whether the Government is aware that China has recently imposed restrictions on the import of Petroleum Coke into country and also has made provisions for heavy penalty on import of Petroleum Coke having sulphur content more than a certain limit;
(e) whether above restrictions by China has resulted into cheap High Sulphur Petroleum Coke being dumped into country at higher pace, thus deteriorating the environment further and steps taken by the Government to restrict dumping of High Sulphur Petroleum Coke into the country; and
(f) the total quantity of Petroleum Coke produced in the country and total quantity imported during the last three years and the current year, refinery-wise, year-wise?